Explore the history and development of the telephone and find out how a telephone works. Learn about the inventors who helped influence the invention of the telephone.

Just how big is the universe? Find out all about the universe and its planets, stars, and more in this fact-filled book. It's perfectly designed to introduce young children to the power of nonfiction. Stunning art and photos give readers a fascinating look at the wonders of the universe, from the Earth, moon, sun, and beyond!

Trains, planes, buses, and more! Find out all about different modes of transportation in this fact-filled book. It's perfectly designed to introduce young children to the wonders of nonfiction. Stunning photos give readers an up-close look at different vehicles and machines for people on the go!