Most Popular Books by Greg Roza

Explores the geology, biology, and history of a large group of islands off the coast of Ecuador in the Pacific Ocean, where some very unusual animals and land formations exist.

With its roots in early 20th century, the Japanese art of Kodokan judo, Brazilian Jiu-Jitsu is noted for its submission grappling and ground fighting techniques. This book will give readers a different perspective of a sport that is often portrayed as brutal and violent in popular culture. Contrarily, Brazilian Jiu-Jitsu can be used for self-defense, exercise, and personal growth. This title provides step-by-step instructions with photo images of signature moves, and offers readers tips on how to practice in a safe and healthy manner.

Explains representing numbers in the billions and describes the Hubble Space Telescope that was put into orbit in 1990 and the space images it relays to us.

Introduces the algebraic equation and variables using examples relating to flight.

Death and burial practices vary from one culture to the next, and there’s some pretty unusual traditions out there. Have you ever heard of people saving the bones of their ancestors? That’s what happens in ossuaries and charnel houses. You might be wondering why people would do this, and there are several fascinating reasons you need to read to believe. Inside this creepy volume, readers will find amazing photographs of charnel houses and ossuaries, including the dark passages of the Paris catacombs and the ornately decorated Sedlec Ossuary. Photographs are paired with engaging passages, sidebars, and fact facts that explain ancient, and not so ancient, death traditions.

The fundamentals of skyscraper construction are presented in this compelling story about some of the world’s tallest buildings, including New York’s Empire State Building and the Petronas Twin Towers in Kuala Lumpur, Malaysia. Blueprints, foundations, skeletons, tube frames, and curtain walls are just some of the architectural concepts described in this engaging book.

Explains the characteristics of potassium, where it is found, how it is used by humans, and its relationship to other elements found in the periodic table.

Sewers might be a gross subject to study, but they also offer the perfect chance to comprehend important STEM skills and topics. Readers are sure to enjoy learning about sewers throughout the centuries—from the systems of the ancient Roman Empire to those in our very own neighborhoods. This volume addresses important scientists, engineers, and inventors who have made the unsavory job of removing waste from our lives a reality. Diagrams and photographs of sewer systems from the ancient world and those of today will help readers grasp the scientific concepts behind them. This book was designed with social studies and science curricula in mind, and focuses on essential curricular topics.

The night sky seems so constant. In reality, stars are being born, burning, and dying all the time. There's just so many of them, and they're so far away that we barely notice without the help of sophisticated scientific tools such as the Hubble Space Telescope. In this book, budding astronomers will learn about the life cycle of a star. They'll read how stars differ and how our sun compares to some of these stars. Incredible, colorful photographs and thought-provoking text will ignite imaginations.

An overview of poetic form and meter designed to strengthen students' pattern-related math skills, which provides verse examples from William Shakespeare.

Beavers might not be very large animals, but they can wipe out whole forests. Beavers need certain trees for sustenance and lodging, but that can mean widespread destruction throughout their habitats, including flooding. However, beavers have a positive role to play in nature, too. They allow certain kinds of trees and animals to thrive. Readers will discover many more fun facts about these rodents, such as how their orange teeth are covered in iron. Fact boxes and graphic organizers make this book an even more valuable source of information for animal enthusiasts.

Some earthquakes are so powerful they change the landscape. Many are so weak people can’t feel them. Even with advances in science, seismologists still can’t accurately predict when an earthquake will strike. However, we now know a lot more about where an earthquake is likely to occur. In this book, readers will learn about plate tectonics, faults, and seismic waves. They’ll read about historic earthquakes, see photographs of the aftermath, and learn how to prepare for an earthquake’s mighty tremors.

In today’s job marketplace, sometimes it’s not what you know, but whom you know. Developing and maintaining a matrix of useful references and contacts—in other words, networking—is a valuable skill in itself. This title in Rosen’s Work Readiness series explains how one can effectively use family members and friends, as well as social, and academic connections, to help locate and land a great job. An excellent resource for all students who expect to enter the work force.

Many of us take the water that comes out of our faucets for granted. But have you ever wondered how water makes it to your house in the first place? Sometimes it travels for hundreds of miles, thanks to aqueducts! This volume takes readers on a journey to the ancient world to see how people created aqueducts to serve burgeoning civilizations. Readers will also discover that today’s aqueducts are technological marvels crafted by scientists, engineers, and many other professionals. Diagrams and stunning photographs of aqueducts both ancient and modern are sure to dazzle readers. The text focuses on STEM skills and has been aligned with relevant curricular topics in both social studies and science.

The names Bill and Melinda Gates are often in the headlines, whether it's for the newest Microsoft innovation or, more recently, for their inspiring philanthropic donations and endeavors. This book offers young readers a lively, accessible overview of the lives of these high-profile leaders, including their formative years, their accomplishments, and their astounding but thoughtful charitable contributions. This biography introduces readers to the upbringing and personalities of both Bill and Melinda, and explains how they work tirelessly as a team to improve the lives of the less fortunate around the world.

One's knowledge of emergency lifesaving techniques can mean the difference between a close-call and a tragic fatality. With more and more kids involved in extreme sports, organized sports, skiing, hiking, skateboarding, rock climbing, canoeing and rafting, mountain biking, surfing, and other risky activities, it is imperative that they learn how to stay safe and treat themselves and others in the event of an accident. Covering everything from broken bones, bleeding, trauma, and shock, to poisoning, exposure, and burns, this book provides readers with the basic information they need to save lives in an emergency. Also includes urgent reminders to immediately seek medical and emergency assistance from qualified EMTs before trying lifesaving techniques yourself. Includes myths and facts about emergency lifesaving techniques and ten great questions to ask an emergency room doctor.

Your skeleton is the framework of your body. Bones provide protection, but they do much more than that. They also produce blood cells and even act as storehouses for minerals the body may need in the future. This guidebook to the human skeletal system includes information about diseases, disorders, and injuries, and discusses how to keep your bones healthy. Numerous photographs and informative diagrams help readers understand the human body and provide a remarkable look at the skeletal system.

The world of optical, radio, and space telescopes will be on view for students in this fascinating story. From the first telescopes of Galileo and Newton to today’s giant twin Keck telescopes in Hawaii, readers will learn about the workings of lenses and mirrors. The book also looks at how a primary mirror is made, why the dish of a radio telescope needs to be wide, and how the Hubble Space Telescope gives astronomers sharper images than do telescopes on Earth.

Many people know the experience of waking up to find that raccoons have rifled through their trashcans in the night. These masked mammals are able to live in forests, but have also adapted to thrive in cities and suburbs alongside people. Age-appropriate text, supported by engaging photographs, draws readers in with fun facts about these nimble neighbors.

This book guides readers through step-by-step instructions for drawing King Kong, the classic movie monster. Starting with basic pencil sketches and progressing toward finished colored drawings, aspiring artists will explore the use of shape, form, and shading, as well as important concepts such as proportion and perspective. Additional photographs and text give historical and cultural context to the films and characters.

This fun paperback introduces the game of chess and its basic moves, then shows how to apply problem-solving skills to chess problems of varying difficulty. Includes detailed descriptions of each chess piece alongside some quick tips and tricks to make the best of each piece's weaknesses and strengths.

Some of the most important contributors to the food chain are those creatures that help break things down: decomposers. If not for these birds, bugs, and worms organic matter couldn't be recycled back into nature. Readers will discover the different kinds of decomposers, how they do their job, and why it is so important. This fascinating book includes graphic organizers and annotated illustrations to better explain the food chain.

Most readers will recognize the name, but their information might be limited to Thomas Alva Edison's most famous inventions, including the light bulb, phonograph, and motion picture camera. This brief introductory biography introduces young readers to Edison's extraordinary life and brilliant mind. Beginning with his younger years, this book guides readers through his school and work experiences, highlighting his inspirations and other talents, such as salesmanship. An overview of his many later inventions make clear why he was called the "Wizard of Menlo Park" and has such a prominent place in history.

Texas is home to some of our country’s most populous cities, but before major development came to Texas it was a wild frontier with just a few tiny settlements. Readers will enjoy a full history of Texas’s most important cities and how they grew into the major metropolises they are today. Manageable, at-level text helps readers compare and contrast standard-driven content, while engaging images help reinforce important concepts. Graphic organizers, sidebars, and other interactive content provide additional learning opportunities.

Box jellyfish are responsible for about 20 to 40 deaths in the Philippines each year. The sting of one species of box jellyfish can kill a person in 3 minutes! While these are some of the deadliest jellyfish, all species of jellyfish sting, both for defense and to hunt for food. Full-color photographs introduce readers to the growing population of jellyfish in Earth’s oceans. From the strange-but-cool life cycle of the jellyfish to the specifics of their stinging tentacles, the main text includes interesting science content, astonishing fact boxes, and safety information about sharing the oceans with these stinging creatures.

Hans von Ohain of Germany built the first working jet engine in 1937. This book describes some of the improvements made on jet planes since then, including the design of the Concorde and super jumbo jets such as the Airbus A380. Students will be introduced to the forces of flight—lift, thrust, drag, and weight—and to the movable parts of jets, including flaps, ailerons, and rudders and how they work.

Introduces the continent of Antarctica and some of its unique characteristics.

Before the US government enacted strict laws about landfills and toxic waste disposal, tragedies of pollution occurred across the country. Today, landfills are safer and more environmentally friendly, but problems can still happen—and our laws don’t stop other countries from continuing poor landfill practices. Readers will learn the terrible story of Love Canal and the hazardous chemicals that can be produced by landfills. With the help of detailed sidebars and full-color photographs, the main content introduces an important conservation topic, including its social and scientific aspects.

Bill Gates is one of the biggest names in computer history, as a pioneering founder of Microsoft and a groundbreaking computer programmer. Readers will learn about Gates’ early life and his work leading the personal computer revolution. Through engaging and accessible text, readers will come to understand the impact Gates has had on computer development, and how his work continues to affect us today. A timeline presents a visual representation of Gates’ life story, while sidebars provide additional information. Readers will gain an understanding of important STEM topics through the lens of this compelling biography.

Bacteria are amazing microorganisms. Their ability to move, multiply, and adapt make them some of the most fascinating subjects of biology. Readers take a look at these microscopic single-celled wonders and gain information about how they're able to survive in a variety of environments. Readers will be surprised to learn there are more bacteria in their body than human cells. Instructive photographs and diagrams accompany these facts and more.

What is a modem? What is a network? Which carries more data at a faster rate—a telephone line, a cable television line, or a fiber optic cable? What is Simple Mail Transfer Protocol and Post Office Protocol? What is HTML and why is it used? This book is full of fabulous facts about computers and the World Wide Web that are sure to fascinate all students of technology.

Going on vacation? From the planning stage on, this book explains ways to have a “green” vacation. Includes tips about things to do before leaving, such as canceling the paper and turning down the heat. Talks about environmentally friendly means of travel and things to do—and avoid—once reaching your destination. Ecotourism is also explored.

Using graphic organizers, compares plant and animal cells, describes how plants and animal perform similar life processes, and explains how plants and animals survive in an ecosystem together.

Famously feisty Tasmanian devils and perpetually ravenous hyenas may not seem to have a lot in common. However, both carnivores are ready to kill at a moment's notice. For those who wonder what would happen if one beast was pitted against another, this lively volume has the answers. It breaks down each hunter's adaptations that have helped it survive in its wild habitat, such as the Tasmanian devil's brawny bite and the hyena's staggering stamina. Incredible action photographs demonstrate key points in the text, giving readers a ringside seat to a wild fight to the finish.

Calcium is a part of our everyday lives, whether it be in the milk we drink or the chalk we use to write. This book offers a chemical biography of this abundant element. Readers learn how calcium works, its scientific makeup and where it appears in our everyday lives. With accessible illustrations and real-life experiments with calcium, readers will gain an in-depth look at this important element.

Cutting and self-injury are delicate issues many teens face and this title offers nonjudgmental guidance and information to those who cut and self injure as well as to their friends and family. Often, the problem is connected to a deeper issue that, if not addressed, can lead to problems much more serious than those that are just skin deep. Topics addressed are why people self-injure, getting help, and learning to cope, all of which are covered with Rosen’s hallmark sensitivity to such serious health-related issues.