I wonder why

A collection of questions and answers about the oceans including "What is sand made of?" and "Which sea animals sing like canaries?".

A collection of interesting facts, questions, and answers about many of the creatures that live in and around the sea.

Answers questions about how people, places, and things including "Where do elephants glow in the dark?" and "Where does chocolate grow on trees?".

Questions and answers explore the world of caves on land and under the sea, such as how they are formed, what animals live in them, and who buried their dead in caves.

Answers questions about transportation and vehicles, including "Do airships run on air?" and "Why don't ships sink?".

Presents a colorful question and answer book for children about forests and the plants and animals that inhabit them.

Contains answers to thirty-one questions about music, such as how to sing a round, why flutes have holes, who tells stories by dancing, and more. Includes illustrations and an index.

Answers more than forty questions about the senses of humans and animals, such as "Which drum helps me hear?" and "Why do cats' eyes glow in the dark?", and includes additional facts and humorous illustrations.

Provides answers to over thirty questions about horses, discussing whether horses like company, why riders wear helmets, when people first tamed horses, which horses are the fastest, and other topics.

Information about the life cycles of various animals, plants, and insects is presented in a question and answer format.