Full AspenCat Catalog

Explains the physiology of animals in simple terms.

Includes questions and answers about the history of Thanksgiving, along with jokes and riddles, a craft activity, and a brief look at other harvest celebrations around the world today.

Provides answers to such questions about various species of whales and dolphins as "Do all whales have teeth?", "How long do most whales live?", "Why do dolphins whistle?", and "Can dolphins save humans?"

Uses a question-and-answer format to teach children about different kinds of reptiles, their habitats, physical characteristics, eating habits, and distribution.

In order to answer her mother's question about what would make her smile, a girl first asks various people, animals, and even the moon what makes them happy.

Provides answers to a variety of questions about tornadoes and hurricanes, including "Where do most tornadoes strike," and "How long do hurricanes last?"

"Millions of people visit xkcd.com each week to read Randall Munroe's iconic webcomic. His stick-figure drawings about science, technology, language, and love have a large and passionate following. Fans of xkcd ask Munroe a lot of strange questions. What if you tried to hit a baseball pitched at 90 percent the speed of light? How fast can you hit a speed bump while driving and live? If there was a robot apocalypse, how long would humanity last? In...

Examines nature, history, science in encyclopedia format. With gorgeous full-color spreads and an edgy, vivid design, a title for the Internet generation covers facts on history, geography, science, and natural history, and includes a detailed index to make each subject simple to find.

Questions and answers present information about who the Pilgrims were, how and why they came to America on the Mayflower, and what happened in the colony of New Plymouth.

Questions and answers present the achievements of historic explorers and modern-day adventurers and explain such things as why people were afraid to go south of the equator and how the early explorers traveled.