David Litchfield – författare

David Litchfield has devoted years to relentlessly searching out the flaws in the Oracle database system and creating defenses against them. Now he offers you his complete arsenal to assess and defend your own Oracle systems. This in-depth guide explores every technique and tool used by black hat hackers to invade and compromise Oracle and then it shows you how to find the weak spots and defend them. Without that knowledge, you have little chance of keeping your databases truly secure.

The first book in the best-selling, award-winning ‘Bear and the Piano’ trilogy.  Winner of the Waterstones Children's Book Prize, Illustrated Book Category for 2016.  Over 120,000 copies have been sold of The Bear and the Piano in the UK.One day, a young bear stumbles upon something he has never seen before in the forest. As time passes, he teaches himself how to play the strange instrument, and eventually the beautiful sounds are heard by a father and son who are picnicking in the woods. The bear goes with them on an incredible journey to New York, where his piano playing makes him a huge star. He has fame, fortune and all the music in the world, but he misses the friends and family he has left behind. A moving tale of exploration and belonging from best-selling and critically acclaimed author David Litchfield. The Sunday Times – 'The influence of the great illustrators Jon Klasen and Shaun Tan are detectable in David Litchfield’s opulent The Bear and the Piano.’The Guardian – ‘This book is full of breath-taking scenes, from the stunning forest to the rich New York skyline.'Huffington Post — ‘A heart-warming and beautifully illustrated tale of music, friendship and adventure.’The Daily Mail —‘A sumptuous treat... [Litchfield] weaves magic with light and space...The ending will have your heart soaring like a soprano’s top C.’The Bookseller —‘One of the most impressive debuts of the autumn, this is a really stunning picture book with both critical and commercial appeal […] Distinctive, atmospheric and uplifting, it's my picture book of the year.’**Don't miss David Litchfield's other books:The Bear and the Piano [1]The Bear, the Piano, The Dog and the Fiddle [2]The Bear, the Piano and Little Bear’s Concert [3]Grandad's Secret GiantLights on Cotton Rock

An out-of-this-world picture book from David Litchfield, the best-selling author of The Bear and the Piano and Grandad’s Secret Giant.Longlisted for the Kate Greenaway Medal. ***** Stunning images with a powerful message***** Magical, heartwarming and imaginative!***** Another amazing story by David Litchfield  Heather is a little girl who wants to go to Outer Space, where the stars sparkle with magic and wonder. When a spaceship lands at Cotton Rock, it seems that all of her dreams have come true. But soon the alien has to leave. Will the spaceship ever come back? And if it does, is Heather ready to leave everything on Earth behind? This beautiful story for ages 4–7 about family and dreams travels through space and time to show us that what we are looking for might be closer than we think.  David Litchfield is the author of best-selling books including The Bear and the Piano, which won the Waterstones Children’s Book Prize, Illustrated Book Category in 2016 and has sold over 120,000 copies in the UK.Don’t miss David's other books: The Bear and the Piano (1)The Bear, the Piano, The Dog and the Fiddle (2)The Bear, the Piano, and Little Bear's Concert (3)Grandad's Secret Giant

The third and final book in the best-selling, award-winning ‘Bear and the Piano’ trilogy.  The first book in the trilogy - The Bear and the Piano - has sold over 120,000 copies in the UK and won the Waterstones Children's Book Prize, Illustrated Book Category for 2016The Daily Mail - 'Litchfield’s use of light is unequalled and this is a triumphant last movement in a great symphony.’You probably remember the story of the bear who found the piano in the woods and grew up to become a huge star. He played his music in front of millions of adoring fans and all of his wildest dreams came true. But now, the audiences are smaller, the pianos less grand, and the applause is dying away. So Bear decides to retire. Back in the woods, he is sad that his dream is over but he soon has something to distract him: Little Bear! When Little Bear stumbles upon his piano in the woods, she can’t believe it when her father says that no one wants to hear his music anymore. So she comes up with a plan to prove him wrong.The final book in the award-winning, best-selling trilogy shows that while fame and fortune might be temporary, the best songs stay in your heart forever. **Don't miss David Litchfield's other books:The Bear and the Piano (1)The Bear, the Piano, The Dog and the Fiddle (2)The Bear, the Piano, and Little Bear's Concert (3)Grandad's Secret GiantLights on Cotton Rock

The third and final book in the best-selling, award-winning ‘Bear and the Piano’ trilogy.  The first book in the trilogy - The Bear and the Piano - has sold over 120,000 copies in the UK and won the Waterstones Children's Book Prize, Illustrated Book Category for 2016The Daily Mail - 'Litchfield’s use of light is unequalled and this is a triumphant last movement in a great symphony.’You probably remember the story of the bear who found the piano in the woods and grew up to become a huge star. He played his music in front of millions of adoring fans and all of his wildest dreams came true. But now, the audiences are smaller, the pianos less grand, and the applause is dying away. So Bear decides to retire. Back in the woods, he is sad that his dream is over but he soon has something to distract him: Little Bear! When Little Bear stumbles upon his piano in the woods, she can’t believe it when her father says that no one wants to hear his music anymore. So she comes up with a plan to prove him wrong.The final book in the award-winning, best-selling trilogy shows that while fame and fortune might be temporary, the best songs stay in your heart forever. **Don't miss David Litchfield's other books:The Bear and the Piano (1)The Bear, the Piano, The Dog and the Fiddle (2)The Bear, the Piano, and Little Bear's Concert (3)Grandad's Secret GiantLights on Cotton Rock

This charming tale tells the story of little Nicky Claus, who wanted to make every child happy, if only just for one day.Nicky Claus works with his three uncles in the Claus Brothers Toy Emporium. Uncle Hanz makes the toys, Uncle Louis checks them and Uncle Levi adds the… what's the scientific term for it? Ah, yes. The magic! For each toy made at the Emporium has a special sparkle that means it will find the child it is perfect for. One day, Nicky notices a young girl with her face pressed up to the glass. When she disappears, he follows her and finds her living on the streets with lots of other children, none of whom can afford a toy. Nicky vows that for one night only, every child will have the toy of their dreams and—with the help of his uncles and some flying reindeer—the legend of Father Christmas is born.This magical and heartwarming story from bestselling author–illustrator David Litchfield is a true festive treat centred on kindness, generosity and looking after each other.

This charming tale tells the story of little Nicky Claus, who wanted to make every child happy, if only just for one day.Nicky Claus works with his three uncles in the Claus Brothers Toy Emporium. Uncle Hanz makes the toys, Uncle Louis checks them and Uncle Levi adds the… what's the scientific term for it? Ah, yes. The magic! For each toy made at the Emporium has a special sparkle that means it will find the child it is perfect for. One day, Nicky notices a young girl with her face pressed up to the glass. When she disappears, he follows her and finds her living on the streets with lots of other children, none of whom can afford a toy. Nicky vows that for one night only, every child will have the toy of their dreams and—with the help of his uncles and some flying reindeer—the legend of Father Christmas is born.This magical and heartwarming story from bestselling author–illustrator David Litchfield is a true festive treat centred on kindness, generosity and looking after each other.

From the creator of the internationally bestselling, award-winning classic The Bear and the Piano – which has sold more than 120,000 copies in the UK – My Friend, Billy Whiskers is a charming celebration of friendship, bravery and the little push we sometimes need to step into something new.Some friends are real, some are imaginary, but all can help us find our voice. On a snowy day, while the other children play together, Patrick sits alone, but he isn’t really alone. His imaginary friend, Billy Whiskers, is always there, ready for bike rides, tree climbs and magical adventures where Patrick’s worries can just disappear. But on this special snow day, with the help of Billy Whiskers, Patrick finds the courage to take a new adventure and say hello to real life children playing in the real life playground. Can you guess what happens next? This heart-warming and uplifting picture book from award-winning author-illustrator David Litchfield celebrates the magic of imaginary friendship, the power of empathy and the friends who help us grow.

Some friends are real, some are imaginary, but all can help us find our voice. My Friend, Billy Whiskers is a charming celebration of friendship, bravery, and the little push we sometimes need to step into something new.One day, while the other children play together, Patrick sits alone, but he isn’t really alone. His imaginary friend, Billy Whiskers, is always there, ready for bike rides, tree climbs, and magical adventures where Patrick’s worries can just disappear. But on this special day, with the help of Billy Whiskers, Patrick finds the courage to take a new adventure and say hello to real life children playing in the real life playground. Can you guess what happens next? This heart-warming and uplifting picture book from award-winning author-illustrator David Litchfield celebrates the magic of imaginary friendship, the power of empathy, and the friends who help us grow.

From the creator of the internationally bestselling, award-winning classic The Bear and the Piano – which has sold more than 120,000 copies in the UK – My Friend, Billy Whiskers is a charming celebration of friendship, bravery and the little push we sometimes need to step into something new.Some friends are real, some are imaginary, but all can help us find our voice. On a snowy day, while the other children play together, Patrick sits alone, but he isn’t really alone. His imaginary friend, Billy Whiskers, is always there, ready for bike rides, tree climbs and magical adventures where Patrick’s worries can just disappear. But on this special snow day, with the help of Billy Whiskers, Patrick finds the courage to take a new adventure and say hello to real life children playing in the real life playground. Can you guess what happens next? This heart-warming and uplifting picture book from award-winning author-illustrator David Litchfield celebrates the magic of imaginary friendship, the power of empathy and the friends who help us grow.

Meet Little Ghost and Robot in this spellbinding tale about chosen family and what it means to belong, from the creator of the Waterstones Children’s Book Prize-winning Bear and the Piano series.  Little Ghost and Robot make unlikely friends: one is emotional, the other logical. But they have something important in common – they know what it’s like to be different.  As they journey through the bustling city together, they encounter moments of quiet courage that help each of them see the world in new and surprising ways. These discoveries reveal to Little Ghost and Robot not only the wonder that exists beyond the walls of their old lives, but also the strength that comes from standing side by side.   Over the course of a sweeping adventure, the pair realise that, while the world may see them as outsiders, they can find belonging in each other – a sense of connection that makes each one finally feel as though they have found their forever home.   Written and illustrated by bestselling creator and exceptional talent, David Litchfield, this moving picture book offers readers a heartfelt celebration of friendship, courage and found family.

Databases are the nerve center of our economy. Every piece of your personal information is stored there-medical records, bank accounts, employment history, pensions, car registrations, even your children's grades and what groceries you buy. Database attacks are potentially crippling-and relentless. In this essential follow-up to The Shellcoder's Handbook, four of the world's top security experts teach you to break into and defend the seven most popular database servers. You'll learn how to identify vulnerabilities, how attacks are carried out, and how to stop the carnage. The bad guys already know all this. You need to know it too.* Identify and plug the new holes in Oracle and Microsoft(r) SQL Server* Learn the best defenses for IBM's DB2(r), PostgreSQL, Sybase ASE, and MySQL(r) servers* Discover how buffer overflow exploitation, privilege escalation through SQL, stored procedure or trigger abuse, and SQL injection enable hacker access* Recognize vulnerabilities peculiar to each database* Find out what the attackers already know Go to www.wiley.com/go/dbhackershandbook for code samples, security alerts , and programs available for download.

'Funny, touching and visually stunning, this really is a book to treasure.' Daily Mail A GIANT story of belonging and friendship from David Litchfield, author of the Waterstones Illustrated Book Prize 2016 winner The Bear and the Piano. "He has hands the size of tables," Grandad said, "legs as long as drainpipes and feet as big as rowing boats. Do you know who I mean?" "Yes," sighed Billy. "The Secret Giant. But he's not real!" Billy doesn't believe his Grandad when he tells him there's a giant living in his town, doing good deeds for everyone. He knows that a giant is too big to keep himself hidden. And why would he WANT to keep himself a secret? But as time goes on, Billy learns that some secrets are too BIG to stay secret for long...      This delightful heartfelt story of belonging and friendship teaches the importance of tolerance and acceptance to young children.

An out-of-this-world picture book from David Litchfield, the best-selling author of The Bear and the Piano and Grandad’s Secret Giant.Longlisted for the Kate Greenaway Medal. ***** Stunning images with a powerful message***** Magical, heartwarming and imaginative!***** Another amazing story by David Litchfield  Heather is a little girl who wants to go to Outer Space, where the stars sparkle with magic and wonder. When a spaceship lands at Cotton Rock, it seems that all of her dreams have come true. But soon the alien has to leave. Will the spaceship ever come back? And if it does, is Heather ready to leave everything on Earth behind? This beautiful story for ages 4–7 about family and dreams travels through space and time to show us that what we are looking for might be closer than we think.  David Litchfield is the author of best-selling books including The Bear and the Piano, which won the Waterstones Children’s Book Prize, Illustrated Book Category in 2016 and has sold over 120,000 copies in the UK.Don’t miss David's other books: The Bear and the Piano (1)The Bear, the Piano, The Dog and the Fiddle (2)The Bear, the Piano, and Little Bear's Concert (3)Grandad's Secret Giant

Share The Bear and the Piano with even the youngest children using this special board book edition. The first book in the best-selling, award-winning ‘Bear and the Piano’ trilogy.  Winner of the Waterstones Children's Book Prize, Illustrated Book Category for 2016  Over 120,000 copies have been sold of The Bear and the Piano in the UK.One day, a young bear stumbles upon something he has never seen before in the forest. As time passes, he teaches himself how to play the strange instrument, and eventually the beautiful sounds are heard by a father and son who are picnicking in the woods. The bear goes with them on an incredible journey to New York, where his piano playing makes him a huge star. He has fame, fortune and all the music in the world, but he misses the friends and family he has left behind. This best-selling tale of exploration and belonging, which won the Waterstones Children's Book Prize 2016, Illustrated Book Category, is now available in board book.The Bookseller –  ‘Winner of the Waterstones Children’s Book Prize and a personal favourite. Now in board format.' **Don't miss David Litchfield's other books:The Bear and the Piano [1]The Bear, the Piano, The Dog and the Fiddle [2]The Bear, the Piano and Little Bear’s Concert [3]Grandad's Secret GiantLights on Cotton Rock

The second book in the best-selling, award-winning ‘Bear and the Piano’ trilogy.  The first book in the trilogy - The Bear and the Piano - has sold over 120,000 copies in the UK and won the Waterstones Children's Book Prize, Illustrated Book Category for 2016Hector and his dog Hugo have made music together through good times, bad times and even some crazy times. But when Hugo learns to play the fiddle, and gets the chance to play with Bear’s Big Band, Hector’s jealousy gets the better of him. Can Hector swallow his pride and learn to be happy for his friend? Set in New Orleans with a new cast of animal musicians, this big-hearted sequel to the best-selling The Bear and the Piano teaches that friendship, like good music, lasts forever.BBC Music Magazine - 'Litchfield's warm, richly coloured images are filled with gentle humour, while he packs plenty of emotion and nuance into his succinct text- and music as a starring role.'The Daily Mail - ‘Litchfield’s stunning illustrations conjure up the twinkling lights and sombre shadows of New Orleans, beautifully reflecting the joy and melancholy that offset each other in this touching story. Another guaranteed bestseller from this remarkable artist.’ The Daily Mail, 'Best Christmas Books' - 'Loyalty and friendship underpin this touching story from the wonderful David Litchfield...Litchfield’s captivating rendition of New Orleans’ lights and sombre shadows reflects joy and melancholy to stunning effect.’ The Bookseller, 'Editor's Choice' - 'A big-hearted sequel starring a new cast of animals musicians...this captures all the warmth and charm of the original, with show stopping cityscapes and heartfelt emotion.’ The Bookseller, 'Season's Highlights' - ‘Completely charming tale of friendship and music.’ **Don't miss David Litchfield's other books:The Bear and the Piano [1]The Bear, the Piano, the Dog and the Fiddle [2]The Bear, the Piano and Little Bear’s Concert [3]Grandad's Secret GiantLights on Cotton Rock

The second book in the best-selling, award-winning ‘Bear and the Piano’ trilogy.  The first book in the trilogy - The Bear and the Piano - has sold over 120,000 copies in the UK and won the Waterstones Children's Book Prize, Illustrated Book Category for 2016Hector and his dog Hugo have made music together through good times, bad times and even some crazy times. But when Hugo learns to play the fiddle, and gets the chance to play with Bear’s Big Band, Hector’s jealousy gets the better of him. Can Hector swallow his pride and learn to be happy for his friend? Set in New Orleans with a new cast of animal musicians, this big-hearted sequel to the best-selling The Bear and the Piano teaches that friendship, like good music, lasts forever.BBC Music Magazine - 'Litchfield's warm, richly coloured images are filled with gentle humour, while he packs plenty of emotion and nuance into his succinct text- and music as a starring role.'The Daily Mail - ‘Litchfield’s stunning illustrations conjure up the twinkling lights and sombre shadows of New Orleans, beautifully reflecting the joy and melancholy that offset each other in this touching story. Another guaranteed bestseller from this remarkable artist.’ The Daily Mail, 'Best Christmas Books' - 'Loyalty and friendship underpin this touching story from the wonderful David Litchfield...Litchfield’s captivating rendition of New Orleans’ lights and sombre shadows reflects joy and melancholy to stunning effect.’ The Bookseller, 'Editor's Choice' - 'A big-hearted sequel starring a new cast of animals musicians...this captures all the warmth and charm of the original, with show stopping cityscapes and heartfelt emotion.’ The Bookseller, 'Season's Highlights' - ‘Completely charming tale of friendship and music.’ **Don't miss David Litchfield's other books:The Bear and the Piano [1]The Bear, the Piano, the Dog and the Fiddle [2]The Bear, the Piano and Little Bear’s Concert [3]Grandad's Secret GiantLights on Cotton Rock

The first book in the best-selling, award-winning ‘Bear and the Piano’ trilogy.  Winner of the Waterstones Children's Book Prize, Illustrated Book Category for 2016  Over 120,000 copies have been sold of The Bear and the Piano in the UK.One day, a young bear stumbles upon something he has never seen before in the forest. As time passes, he teaches himself how to play the strange instrument, and eventually the beautiful sounds are heard by a father and son who are picnicking in the woods. The bear goes with them on an incredible journey to New York, where his piano playing makes him a huge star. He has fame, fortune and all the music in the world, but he misses the friends and family he has left behind. A moving tale of exploration and belonging from best-selling and critically acclaimed author David Litchfield. The Sunday Times –‘The influence of the great illustrators Jon Klasen and Shaun Tan are detectable in David Litchfield’s opulent The Bear and the Piano.’The Guardian –‘This book is full of breath-taking scenes, from the stunning forest to the rich New York skyline.'Huffington Post —‘A heart-warming and beautifully illustrated tale of music, friendship and adventure.’The Daily Mail —‘A sumptuous treat… [Litchfield] weaves magic with light and space...The ending will have your heart soaring like a soprano’s top C.’The Bookseller —‘One of the most impressive debuts of the autumn, this is a really stunning picture book with both critical and commercial appeal […] Distinctive, atmospheric and uplifting, it's my picture book of the year.’**Don't miss David Litchfield's other books:The Bear and the Piano [1]The Bear, the Piano, The Dog and the Fiddle [2]The Bear, the Piano and Little Bear’s Concert [3]Grandad's Secret GiantLights on Cotton Rock

'Funny, touching and visually stunning, this really is a book to treasure'—Daily MailA GIANT story of belonging and friendship from David Litchfield, author ofThe Bear and the Piano. "He has hands the size of tables," Grandad said, "legs as long as drainpipes and feet as big as rowing boats. Do you know who I mean?" "Yes," sighed Billy. "The Secret Giant. But he's not real!" Billy doesn't believe his Grandad when he tells him there's a giant living in his town, doing good deeds for everyone. He knows that a giant is too big to keep himself hidden. And why would he want to keep himself a secret? But as time goes on, Billy learns that some secrets are too BIG to stay secret for long...      This delightful heartfelt story of belonging and friendship teaches the importance of tolerance and acceptance to young children.Don't miss David Litchfield's best-selling first book The Bear and the Piano, the Waterstones Children's Book Prize, Illustrated Book category winner in 2016. 120,000 copies have been sold in the UK.

A beautiful and heart-warming dinosaur story from the author of The Bear and the Piano and Kid ChristmasLiz is sure that her next-door neighbour has a secret. He's got a very long neck, clumpy feet and a strange taste for green leaves... he's a dinosaur! Unfortunately, she's not the only one who's noticed. When Mr Wilson is taken away by scientists, Liz realises that everyone is free to live the life they wish and she must help save her friend.A delightful book perfect for children aged 3+· A beautiful story about acceptance and letting people live the life they want· Written and illustrated from the prize-winning and best-selling author of The Bear and the Piano, Grandad's Secret Giant and Kid Christmas· Young children will love being in on the secret that Mr Wilson is a dinosaur!

A beautiful and heart-warming dinosaur story from the author of The Bear and the Piano and Kid Christmas