This book tells the story of Ankylosaurus. This armored beast looked like a walking tank. It lived during the Cretaceous period between 100 and 65 million years ago and fed on plant material. At the end of its tail grew a bony club that it used to protect itself.
This book tells the story of the mighty Tyrannosaurus, which lived during the Cretaceous period between 140 and 65 million years ago. This ferocious dinosaur was one of the largest meat eaters, growing up to 40 feet (12 meters) in length. Its head was huge and full of long, sharp teeth.
This book tells the story of the enormous Apatosaurus, who lived during the late Jurassic period between 170 and 140 million years ago. It weighed up to 33 tons (30 metric tons), was more than 65 feet (20 meters) long, yet ate only plant food. It had bony skids on the underside of its long tail to protect the soft parts.
In this compelling title, students are encouraged to dig in and discover how different plant fossils unlock clues to the Earth's past. Through full-color photographs and thought-provoking questions, students will investigate how plants fossils form, how they are excavated, and how paleobotanists study them to learn about life millions of years ago.
In this book, simple, age-appropriate text introduces readers to Coelophysis, from what it looked like to how it lived. Large, exciting images fill the pages, while sidebars encourage students to ask questions and think critically about information presented in the text. Additional tools, including a glossary and index, help students build new vocabulary and locate information.
In this book, simple, age-appropriate text introduces readers to Plateosaurus, from what it looked like to how it lived. Large, exciting images fill the pages, while sidebars encourage students to ask questions and think critically about information presented in the text. Additional tools, including a glossary and index, help students build new vocabulary and locate information.
In this book, simple, age-appropriate text introduces readers to the pterosaur, from what it looked like to how it lived. Large, exciting images fill the pages, while sidebars encourage students to ask questions and think critically about information presented in the text. Additional tools, including a glossary and index, help students build new vocabulary and locate information.
In this book, simple, age-appropriate text introduces readers to the saber-toothed cat, from what it looked like to how it lived. Large, exciting images fill the pages, while sidebars encourage students to ask questions and think critically about information presented in the text. Additional tools, including a glossary and index, help students build new vocabulary and locate information.
In this book, simple, age-appropriate text introduces readers to Brachiosaurus, from what it looked like to how it lived. Large, exciting images fill the pages, while sidebars encourage students to ask questions and think critically about information presented in the text. Additional tools, including a glossary and index, help students build new vocabulary and locate information.
In this book, simple, age-appropriate text introduces readers to mammoths and mastodons, from what they looked like to how they lived. Large, exciting images fill the pages, while sidebars encourage students to ask questions and think critically about information presented in the text. Additional tools, including a glossary and index, help students build new vocabulary and locate information.
Chronicles the development of industry in the United States. Presented as the diary of a student who visits historic sites on a road trip, this book will be an excellent selection for readers who want to know more about the birth and growth of industry in the United States.
For years, people have used water power to provide electricity. This study recaps that history and describes exciting new techniques.
This fascinating title chronicles the U.S. bombing of these Japanese cities during World War II. Topics include the development of the atomic bomb, Truman's decision to drop the bombs, and the long-term consequences of this historical event. Primary source accounts present reactions from both sides.
In 1922, archaeologist Howard Carter discovered King Tutankhamen's tomb. In addition to unearthing astonishing artifacts, Carters discovery revealed fascinating details about King Tut's life and provided insight into ancient Egyptian culture. Engaging, approachable text and vivid images take readers inside the pharaoh's tomb as they discover ancient treasures and learn how such artifacts shed light on King Tuts reign, his family's dynasty, the mystery surrounding his death, and the theories of King Tut's curse
This captivating title examines the eruption of Mt. Vesuvius that destroyed Pompeii in 79 A.D. and what the remnants of this buried city can teach us today.
The robots of today do more than just heavy lifting. Machines that can sense the world and make decisions are now being used in space, industry, medicine, and the military. This adventurous book follows the development of robots over the past century and describes how modern robots continue to revolutionize different fields making our lives easier, healthier, safer and more exciting.
This gripping title traces the causes, symptoms, and treatment of plague through the height of the Black Death in Europe and into the modern day.
For centuries, exploration of the Arctic has been pursued for its potential value as a commercial sea route. Many expeditions tried in vain to navigate its frozen waterways. This timely book tells the stories of famous expeditions to find a Northwest Passage from the Atlantic to the Pacific, to map the frozen wasteland, and to be the first to reach the North Pole.
One hundred years after its tragic voyage, the Titanic continues to capture our imaginations. This fascinating title looks at the building, voyage, sinking, and rediscovery of the Titanic.
On January 24, 1848 a man named James W. Marshall found gold at Sutter's Mill in Coloma, California. This compelling title explains how Marshalls discovery sparked gold fever and lured thousands of people west in search of great fortunes. Primary source accounts and historical photographs trace the history of the gold rush in California as well as the later Klondike gold rush.
To be a spy in today's high-tech world, you've got to specialize whether you're keeping tabs on foreign governments, fighting terrorist organizations, or stopping cyber espionage. This fascinating book describes spying throughout history, the gadgetry of a spy, and what kind of training is required to join intelligence-gathering agencies around the world.
This captivating title looks at extinction--from the dinosaurs, 65 million years ago, to the possible extinction of species in our world today.
This fascinating title brings ancient history to life with a clear, easy-to-understand overview of the Mayan culture and the mystery surrounding their calendar.
This book tells the story of Triceratops, a dinosaur that was heavier than a present-day elephant with three large horns on its head and a neck frill. It looked fierce but it was actually just a plant eater. It used its horns to defend itself against predators. Triceratops lived in herds for protection.
This book tells the story of Parasaurolophus, who lived 76 to 74 million years ago during the Cretaceous period. It belonged to a group called hadrosaurs, or duck-billed dinosaurs, named after their flat beak. Parasaurolophus had a long crest that swept back over its head. The crest was hollow, and Parasaurolophus probably used it to make deep honking sounds.
