I wonder why

Answers questions about how people lived and worked in ancient Egypt, covering religious beliefs and practices, mummies, food, clothing, makeup, leisure time, and pets.

In a question and answer format addresses basic physiology, such as why one has bones, why one needs food, and how the body grows.

Introduces readers to the roles vibration, pitch, and volume play in how sounds like rustles, rumbles, and more are made.

In a question and answer format addresses basic physiology, such as why one has bones, why one needs food, and how the body grows.

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

Answers a variety of questions about baby animals and their parents.