Takes readers on an interplanetary tour from the sun to the ever-mysterious Mars, and then, thanks to the Voyager missions, to the planets beyond.

Award-winning science writer Seymour Simon explores the Red Planet through fascinating facts and amazing full-color photographs. Readers will learn about the recent discovery of water, the Valles Marineris-the biggest valley on Mars-the ice caps, recent expeditions, and more. This updated edition includes: author's note stunning full-color photographs glossary index websites and additional reading sources Supports the Common Core Learning Standards,...

From their ancient relatives, woolly mammoths and mastodons, to their amazingly versatile trunks and strong ivory tusks, elephants are some of the most fascinating animals on Earth. Join award-winning science writer Seymour Simon as he investigates the many characteristics and behaviors of elephants and, with stunning full-color photographs, learn all about the largest land animals in the world!

Provides an easy-to-read overview of the history of aircraft.

A popular science writer takes readers on a tour of tropical rainforests, from the canopy to the forest floor, to introduce the plants and animals that inhabit them, including venomous snakes, spider monkeys, winding vines and colorful birds.

Provides a guide to the workings of the digestive system through a review of the organs, the digestive process, and detailed photos of the surface of the stomach.

Describes what is known about Mercury from the photographs taken by Project Mariner.

Describes the expansion of the universe as a result of The Big Bang.

Suggestions for collecting and keeping as pets such small animals as snails, toads, worms, ants, butterflies, and starfish.