I wonder why

Provides answers to questions about the clothing, food, weapons, religion, and other aspects of daily life in ancient Greece.

Addresses such questions about animals as why camels have humps, how bats see in the dark, and why birds have feathers.

Illustrations and text answer questions about extinct and endangered animals.

Questions and answers introduce the clothing, food, weapons, religion, and other aspects of daily life in Ancient Greece.

Answers questions about space such as, "Are stars star-shaped, " "Which is the coldest planet, " and "What is a black hole.".

Combines solid information with quirky facts in a question and answer format.

Uses a question and answer format to teach children about prehistoric life, dinosaurs, evolution, and early humans.

Provides answers to questions children often ask about horses, and includes facts and figures about this favorite animal.