100 things you should know about

Provides one hundred facts about prehistoric animals, and includes illustrations, cartoons, and quizzes.

Introduces fossils, discusses how they form, and describes how fossil-hunters find the sites.

Provides one hundred facts about extinction, including why dinosaurs disappeared and which animals living today could be gone in the future.

Provides one hundred facts about the history of magic, and includes illustrations, cartoons, and quizzes.

Collects one hundred facts about oceans and marine animals, and includes illustrations, cartoons, quizzes, and activities.

Provides one hundred facts about Earth's rocks and minerals, and includes illustrations, cartoons, and quizzes.

Collects one hundred facts about dogs and puppies, covering body language, care, breeds, training, and more; and includes illustrations, cartoons, quizzes, and activities.

Collects one hundred facts about cats and kittens, covering diet, habits, health, breeds, and more; and includes illustrations, cartoons, quizzes, and activities.

Provides one hundred facts about the systems of the human body, and includes illustrations, cartoons, and quizzes.

Provides one hundred facts about how to survive in extreme environments, and includes illustrations, cartoons, and quizzes.