This captivating title looks at extinction--from the dinosaurs, 65 million years ago, to the possible extinction of species in our world today.
This title provides a factual and in-depth look at one of the bloodiest battles in American history. Features include a day-by-day breakdown of events, profiles of major figures, and a detailed review of President Lincoln's Gettysburg Address, one of the most important speeches in American history.
As the 50th anniversary of the 1963 march for Civil Rights in Washington, D.C. approaches, this timely book looks at its organization, the key players, and why it is still relevant 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.
The Samurai may have been the rock stars of the warrior class in medieval Japan, but the Ninjas were the secret agents. Known also as shinobi, which means "to steal away," Ninjas kept to the shadows and practiced espionage for their clan leaders. This exciting book details the history and skills of these stealthy, farming-class saboteurs who were masters of 18 warrior skills, including the martial art ninjutsu.
This book tells the story of the Woolly Mammoth, an animal that lived during the last Ice Age. Its long outer hair and inner layer of wool helped it withstand the bitterly cold conditions. Huge curved tusks were used to dig for food under the snow and as a powerful weapon against enemies. The Woolly Mammoth weighed up to six-and-a-half tons (six metric tons) and stood ten feet (three meters) tall.
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.
This book tells the story of Pteranodon. During the late Cretaceous period, between 89 and 80 million years ago, one of the largest flying reptiles to exist flew in the skies. Its large wingspan and short tail made it very agile so it could turn or dive quickly. Its head could measure nearly six feet (two meters) long and on the back of its head grew a magnificent crest.
This book tells the story of Spinosaurus, a dinosaur with large jaws, sharp teeth, and a huge sail on its back that stood six feet (two meters) tall. Around 40 feet (12 meters) long, it was one of the largest meat eaters. Spinosaurus lived during the late Cretaceous period around 95 million years ago.
This book tells the story of Stegosaurus, who lived during the Jurassic period between 155 and 145 million years ago. It had large bony plates, which it probably used for temperature control, soaking up the sun, or catching a cool breeze.
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 Tylosaurus, which swam in the prehistoric seas between 87 and 82 million years ago. It was a fierce marine reptile that used its sharp teeth and huge jaws to feed on sharks and other marine reptiles, such as plesiosaurs, as well as fish. A Tylosaurus could grow as long as 50 feet (15 meters) and was a superb swimmer.
Perfect for the budding paleontologist, this book brings to life animals that lived long ago. With clear text and engaging questions, a full range of fossils from microscopic insects to gigantic prehistoric mammals is examined. Students are encouraged to discuss the idea of living fossils and examine how fossilized animals have adapted into life forms still present today.
This intriguing new title invites students to walk with the dinosaurs, learning about what they looked like, what they ate, and how they lived. From fossilized teeth to ancient footprints, students will explore how studying the different parts of a dinosaur fossil show paleontologists how these amazing creatures lived before their mass extinction over 65 million years ago.
Free for 28 more days
Since the discovery of Lucy, one of the most famous human skeletons ever discovered, paleontologists and people alike have been fascinated with human fossils. In this book, students will follow the timeline of key discoveries in human fossils, and learn how scientists continue to link together the evolution of humanity using evidence from the past.
Readers will discover that the natural element carbon is found in all living things, including people. This fascinating book explains how the Earths supply of carbon moves among Earth's oceans, atmosphere, ecosystem, and geosphere in a process called the carbon cycle. Accessible text and detailed images help explain such processes as photosynthesis, respiration, and decomposition. Feature boxes highlight examples of the ways in which human activity, such as burning fossil fuels, releases too much carbon dioxide into the air disrupting the balance of the carbon cycle. Readers are encouraged to find ways to take action and find solutions.
While today most food is bought from a grocery store, many years ago food was grown and harvested on the family farm. This informative title examines different types of foods eaten and how they were produced from the olden days to the present.
This exciting title provides students with a comparative look between a modern-day classroom and a one-room schoolhouse from long ago. From slates to whiteboards, question boxes encourage students to compare and contrast how they learn today with how students learned long ago.
How are todays toys and games different from those in the past? This informative title compares the pastimes and playthings of the olden days to the modern games and toys kids love today. Simple text and engaging pictures aid students in their comparison of two different time periods.
From wagons and steamboats to hybrid cars and ferries, all modes of transportation have changed significantly over time. Historical photographs and accessible text combine to help young readers compare and contrast transportation from past to present.
The way we communicate with others is continuously changing as technology evolves. From telephone operators to Skype, this book examines how and why communication has progressed since the early 19th century. Critical thinking is encouraged through spread-by-spread comparisons of mail to email and everything in between.
Once upon a time, doctors made house calls, fire trucks were pulled by horses, and the milkman delivered fresh milk right to peoples doors. In this innovative title, students will love learning about their favorite community helpers and how their jobs have evolved over time.
Every year on June 19th, people of all backgrounds celebrate the day that African Americans were freed from slavery in the United States. People mark the occasion by gathering at parks for picnics and to hear music. There are even rodeos that celebrate famous black cowboys! Young readers will be fascinated to learn about the history of the Civil War and the law that freed the slaves.
This exciting book follows the travels of Viking explorer Leif Eriksson from Iceland to Greenland and on to North America. Historical information and high-interest fact boxes are presented in a tabloid-news style that guides readers through major voyages, explorations, and discoveries. Topics include what led Eriksson to sail west, Viking exploration, life on Viking longships, North American settlements, and Eriksson's legacy.
This entertaining book follows the travels of Americans Meriwether Lewis and William Clark, explorers of the American West. Historical information and high-interest fact boxes are presented in an entertaining tabloid style that guides readers through a voyage of discovery. Topics include what led Lewis and Clark to become explorers, colonies in North America, The Corps of Discovery, and Sacagawea.