Nancy Castaldo – författare

Discover the inspiring story of Ada Lovelace, one of the world's first computer scientists!In 1833, Ada Lovelace met mathematician Charles Babbage, inventor of calculating machines. She went on to devise a way of inputting data into Babbage's Analytical Machine, and in doing so became the first ever computer programmer. In this biography book for 7-11 year olds, learn all about Ada Lovelace's intriguing life, including her talent for languages and mathematics, and her fascination with science.Life Stories is a new biography series for kids from DK that goes beyond the basic facts to tell the true life stories of history's most interesting and inspiring people. Full-colour photographs and hand-drawn illustrations complement age-appropriate narrative text to create an engaging book children will enjoy reading. Definition boxes, information sidebars, inspiring quotes, and other nonfiction text features add depth, and a handy reference section at the back makes DK Life Stories the one biography series everyone will want to collect.

'A clear and engaging guide to sustainable food production with lovely illustrations.' - The Sunday TimesWhere does our food come from? Is farming different around the world? In this charmingly illustrated book, follow sustainable farming around the world to discover how farmers from Hawaii, to Sweden, the UK and beyond grow the fresh and tasty food we enjoy eating.Explore the seasonal workings of farms around the world, and how food can be grown using sustainable methods that focus on quality versus quantity to ensure an environmentally healthy future. The World That Feeds Us explores fascinating farms and farming techniques around the world, including: Global cacao production City farms, on rooftops and beyond Heirloom crops and heritage breeds Farmer's markets across the globe High tech machinery such as farmbotsA glossary defines key sustainable farming terms. Through this colourful and global look at farming, children will learn how farmers, and us, can make choices to protect the planet, whilst still enjoying delicious and nutritious food.

Squirrels are a common sight, seemingly everywhere in wild and urban nature. Their chattering antics in city parks delight us while their raids on our backyard gardens and bird feedersnever failto exasperate. But squirrels are more than amusing backyard entertainers, and few of usknow much about them or fullyappreciate their role in keeping the environment healthy. As stress on the natural world intensifies,should we be paying more attention to the plight of squirrels? In Squirrel, Nancy Castaldo shines new light on thisfamiliar backyard mammal, exploring their staggering diversity(they're found on all continents but Antarctica) and the many surprising ways they shape our world, our communities, and our cultures. Each chapter explores anaspect ofsquirrels and their close and sometimes fraught association with humans: their importance to myriad ecosystems through sophisticated food-caching strategies; their introduction tonineteenth-century urban parks as adorable ambassadors for nature; their complicated global status as both invasive and endangered; their role as celebrated cultural icons and social media memes; andultimately, why we must preventpopulation declines and protecttheir well-beingwhile we can.Like other wildlife species, squirrels areincreasinglystressed by climate change, and their speculative fate may foreshadow our own.Thebook includes a detailed bibliography, an exhaustive list ofsquirrel species and their status, and tips for coexisting peaceably with squirrels in ouryards and neighborhoods.Chapters are introduced by exquisitely drawnhistorical illustrations.