Tamra B. Orr – författare

This thorough title answers questions about symptoms, diagnosis, treatment options, and coping with bone cancer. The most common bone cancers in young people are osteosarcoma and Ewing’s sarcoma, but bone cancer is more common as a secondary cancer than as a primary one. Clear, informative and reassuring, this book is a helpful resource to a young person who has been diagnosed with bone cancer, as well as to his or her family members and friends.

Ecstasy is often celebrated by youth culture as a drug that opens the user up, making him or her more euphoric, empathetic, and in touch with his or her physical environment, sensations, and emotions. Yet there is a dark side to this drug, which in heavy doses or over long-term use can result in impaired vision, sleeplessness, teeth-grinding, hypertension, depression, paranoia, damage to the central nervous system, and severe and potentially fatal dehydration and overheating (hyperthermia). The dangerous myths and hard facts are all covered in this invaluable book, as are ecstasy’s incredibly disgusting side effects.

An invaluable guide to protecting one’s identity, privacy, and personal information when using the computer and the Internet, Privacy and Hacking offers readers expert tips on how to preserve their cyber safety. With the rise of instant messaging, social networking sites, blogging, and Internet shopping, teens are online more and more, trading personal information, and exposing themselves and their computers to potential dangers, including identity theft, hacking, bullying, stalking, harassment, and viruses. From devising effective passwords and installing filtering software and firewalls to withholding personal and identifying information and avoiding emails and attachments from unknown sources, this book provides everything the reader needs to know to make the cyber experience a safe and rewarding one.

In recent years, George Clooney has become politically engaged, lending his energy, money, and name to a number of humanitarian, environmental, and liberal causes. Chief among these is his valiant effort to alert the world to a humanitarian crisis that has been raging virtually unchecked in the Darfur region of Sudan since 2003. It may turn out that George Clooney''s most heroic role was played behind the scenes. This biography offers a thorough survey of this larger-than-life movie star and an account of his passionate engagement in global politics on behalf of Darfur''s innocent victims.

The toughest of the tough, USMC Special Reaction Teams are trained to handle terrorist attacks, hostage situations, armed stand-offs, and arrests, the Special Reactions Teams are equally comfortable in sharp-shooting and hand-to-hand combat. This book introduces the reader to this high-stakes, high-adrenaline branch of Special Operations that few ever get a chance to see this close-up.

Marine Corps Reconnaissance Battalions sneak into hostile enemy territory in order to observe close-up what is happening, who is operating where, how many enemy forces there are, and where they may be most vulnerable. This information is used to design combat strategies. Readers of this book get the opportunity to slip behind enemy lines with these courageous Marines who, at enormous personal risk, collect information that may very well determine the outcome of a battle and the course of a war.

The exciting world of manga is explored in this extreme book. Readers will learn about the skills and training that are needed to become a manga artist. Sidebars and vibrant photographs engage readers and impart another layer of understanding about this captivating art form that is the latest and lasting craze.

All women who menstruate are susceptible to developing ovarian cysts. Although these cysts are common and mostly benign, there are certain growths on the ovaries that require special medical attention. Readers will learn about different ovarian conditions, their symptoms and risks, and how they are treated. In frank yet sensitive language, the author walks the reader through a typical OB/GYN examination, shining a light on a subject whose unknowns often cause anxiety in young women.

Amenorrhea is the unnatural cessation of menstruation. In young women, it is often an early warning sign of the eating disorder anorexia nervosa. In this engagingly written book, the author explains the main causes of amenorrhea as well as the ways in which the disorder is treated in young women. The author also walks the reader through a typical gynecological examination, shining a light on a subject whose unknowns often cause anxiety in young women.

Liver cancer is a cancer arising from the liver or a cancer that has spread to the liver, having originated in other organs (such as the colon, stomach, pancreas, breast, and lung). Liver cancer is the fifth most common cancer in the world. Even when treatments fail to provide much improvement in the liver cancer itself, pain and other signs and symptoms caused by liver cancer can be aggressively treated to improve quality of life. Liver cancer is often deadly, but you can greatly reduce your risk by protecting yourself from hepatitis infection and cirrhosis, the leading causes of the disease. This book introduces the reader to the intriguing, high-tech world of cancer research and treatment, revealing the cutting-edge science that is being harnessed to fight these dread diseases. In addition, the book will show you how to avoid the cancer, what to do if you or a loved one has it, and what the latest treatments and avenues of new research are.

Thanks to a the pioneering efforts of disease researchers and immunologists and a highly effective and concerted global vaccination effort, one of the most dread diseases of the twentieth century has been largely wiped out. For most people, polio is no longer the terrifying specter it once was, yet it still casts a long and dark shadow over human consciousness and history, due to its extreme physical and emotional effects on polio victims and their families, and the equally extreme early treatments for it. The story of polio is ultimately a triumphant one, involving ingenious detective work and scientific experimentation, breakthrough discoveries, courageous study participants, and an inspiring global mobilization to protect a vulnerable population of young children. This compelling tale of disease, suffering, courage, determination, and triumph is told in gripping detail, revealing exactly how society was scarred, shaped, and ultimately strengthened by its successful war on polio.

In good times and bad, there are certain careers that remain in steady and even high demand. Auto mechanics are always in high demand, especially as cars become more high-tech and computerized. Increasingly few car owners have the necessary expertise to work on their own cars, even for routine maintenance. This book introduces readers to all the various jobs possible within the field, as well as the range of vehicles and engines mechanics can work on, from lawn mowers and weed whackers to foreign sports cars, city buses, yachts, and even jet fighters and rockets. Most importantly, this book maps out the educational, training, and professional path that should be followed to get the reader to a true safe haven from economic uncertainty.

The Constitution and the Bill of Rights were born out of a highly contentious and passionate ideological debate over the relative balance of federal versus state powers. The Tenth Amendment is a further attempt to address the challenges of reaching and maintaining that balance. Readers will learn about the historical context behind why this amendment was deemed necessary and how it was debated, drafted, and ratified. The application of the amendment to specific cases reveals how notions of states’ versus federal rights have evolved over time. The lively and high-stakes debate over federal power and its limitations is illustrated with reference to relevant contemporary issues, like drinking and driving ages, speed limits, gun ownership and use, health care, environmental standards, food and drug laws, and controlled substances. Readers will be fascinated by this ongoing conflict between state and federal government.

Joe, Kevin, and Nick Jonas are one of the 21st century''s biggest pop sensations. Starting from humble beginnings, the Jonas Brothers have risen to pop stardom, selling millions of albums in the process. These young men may have records at the top of the charts, but they''ve never lost touch with their roots and traditional values. Adored by fans and lauded by critics, they''ve performed on Broadway, television, and starred in their own 3-D concert film. This book presents a concise history of the Jonas brothers, and tells the stories behind their greatest triumphs. It includes essential resources for any Jonas Brothers fanatic: a timeline of their success, a complete discography, and fascinating sidebars.

Give readers an accessible and comprehensible survey of the basic laws of motion and forces, enlivened by engaging and exciting real world examples of theoretical principles at work. The laws of motion are outlined in uncomplicated prose, and practical illustrations of them are provided by student-friendly activities like baseball and amusement park rides. The greatest thinkers and formulators of the laws of motion and forces are profiled, and the latest cutting-edge developments in the study and application of motion and forces are detailed. Fact-filled and fun sidebars support the narrative and a rich resource section is included for further exploration.

For teenagers, pregnancy presents especially challenging obstacles. Pregnant teens are suddenly faced with adult responsibilities. They need to consider the changes a baby will bring, including the ways it will affect their plans for school, a career, and relationships. This compelling volume explores the physical and emotional changes that pregnancy brings. Medical risks and options for deciding not to keep or have a baby are also presented.

The U.S. Navy offers opportunities for many people to serve their country, where they obtain a career and an education—all while experiencing the world. This book serves as an inspiring guide to some of the most fascinating roles, skills, and training unique to the navy. The fields of focus include arts and education, aviation, business and legal, chaplain and religious program specialists, healthcare and medical corps, engineering and technology, and nuclear energy and safety, among others. From naval recruitment and requirements, service commitment, and vocational tests to boot camp and specific career preparation for life at sea, this exciting narrative shows that a thrilling life lies ahead, in the U.S. Navy.

The U.S. Coast Guard offers recruits an excellent academic and practical education along with the chance to serve their country. This book details the many career paths within the Coast Guard and explains how the skills and experience gained while serving can translate into civilian employment post-discharge or provide stepping stones to career advancement within the service. Featuring an author interview with a Coast Guard recruiter, practical information about service eligibility and a Guardian''s "typical" day, detailed job descriptions and requirements, gripping full-color photographs of Guardians in action, and invaluable advice regarding the transition back into civilian life, this book contains everything a would-be recruit needs to know to make a smart and informed decision about whether the Coast Guard is right for him or her.

Like a row of dominoes, persistent and repetitive heat waves also threaten the environment, exacerbate current climate-related problems, stress a country’s health system, damage its infrastructure, and strain its energy resources. Readers examine efforts, including drought and heat-resistant energy-efficient “smart” homes and buildings, green roof gardens, next-generation building materials, and alternative energy sources as well as technologically advanced climate modeling, weather prediction, and emergency warning systems. Also highlighted are governmental efforts that can be made to alleviate human suffering, including energy conservation initiatives, the opening of public shelters and cooling centers, and the organizing of neighborhood watch programs for heat-vulnerable residents. Most importantly, readers learn how they can learn to reduce their carbon footprint while also coping with increasing heat and remaining healthy.

With people spending an increasing number of hours every day using computers, tablets, and smartphones, safe and responsible digital communication awareness is absolutely essential. Making pre-teens and teens aware of the dangers that exist alongside the enriching information and entertainment to be found online is pertinent. Tweens and teens are vulnerable to various Web-based pitfalls, such as cyber-addiction, overspending, over-sharing, and downloading viruses, not to mention cyber-predators, scam artists, bullies, and flamers. In order to use digital communication technology safely, responsibly, and successfully, people need to learn how to avoid, prevent, or respond to uncomfortable or even threatening situations. Awareness is brought to readers through the elaboration of ten incredibly useful tips, exactly how to navigate the Web and use digital technology safely and responsibly, and how to do so without causing harm to oneself or others. Learning and following these precautions will not only keep users safe from predators, bullies, and scammers, but will also protect their hard drive, their credit rating, their identities, their reputations, and even their future job prospects. Emphasis is placed on learning how to avoid becoming a victim of negative digital activity, and on warnings against becoming a perpetrator, especially of cyberbullying, flaming, and other types of online peer harassment. Readers are encouraged to learn even more with 10 Great Questions to Ask an IT Specialist and Myths and Facts.

Every society must decide how to design an economic system that will meet its specific and particular needs. This book explores the different kinds of economic systems that have existed in the past and those that currently hold sway today throughout the world—subsistence, barter, gift, market, command, planned, mixed, and Internet economies—and analyzes each one’s relationship to the three criteria of production, ownership, and government control. There are real-world consequences of economics and the economic systems that govern a people, and this book seeks to demonstrate to readers how economics is not merely an abstract, theoretical science, but one which plays out on the streets, in the stores, and at the kitchen table every single day.

Outdoor enthusiasts may think of their interests and passions as purely recreational. They will be surprised and inspired by the wealth of creative money-making opportunities, tailored specifically to those who love physical work in the great outdoors, contained within these pages. Best of all is that these money-making and career-building opportunities are available to readers right now, not years down the road. Moving well beyond lawn mowing and dog walking to include such exciting possibilities as adventure tour guiding, working at farmer''s markets, and staffing animal shelters and summer camps, this is a fresh and creative guide to 21st-century teen money-making opportunities. It also includes valuable information on the career-building potential of outdoor-oriented entrepreneurship, internships, and volunteer work. Teens who want to make money now, while also indulging their passion for the outdoors, have found their ideal resource.

We all know people who greet every new day with a big smile and lots of positive, can-do energy, regardless of the anxieties, stresses, problems, and obstacles that may be looming. A growing body of research suggests having zest can result in greater success; greater happiness and well-being; better physical and mental health; and larger, stronger, and more sustaining social networks. Teens who learn the habit of zest have been shown to perform better academically and socially. This resource will help teach them how to approach every situation, problem, or challenge with zest, and reveal to them the vibrant and dazzling existence that awaits those who approach life with this incredibly powerful and transformative character strength. This extended argument in favor of zest lends itself well to the various reading and analysis standards of the Common Core Curriculum for informational texts, including summary, analysis of arguments and their supporting details, identifying main ideas, and analyzing an author''s viewpoint and purpose.

Imagine a worm that spits glue, a rat with vampire teeth, and a frog you can see through! These are just some of the amazing animals that have recently been discovered by scientists. Find out all about these fascinating creatures and many more through fun and engaging books reviewed by Smithsonian experts.

Imagine discovering new planets lightyears away or galaxies you never knew existed. Learn all about new and amazing space discoveries in these fun and engaging books reviewed by Smithsonian experts.

Imagine a fish without a face, drones exploring the ocean floor and underwater waterfalls! Learn all about these amazing underwater discoveries and many more in these fun and engaging books reviewed by Smithsonian experts.

Imagine a machine that can pull water out of thin air. Picture a tiny disk that can store huge amounts of data for billions of years. These are just some of the new discoveries made by scientists. Learn about fascinating developments in medicine, technology, archeology and more through fun and engaging books reviewed by Smithsonian experts.