Level 1, grades P-1. A simple introduction to the nine planets of our solar system.

Describes the characteristics of the planet Jupiter and its moons, as revealed by photographs sent back by unmanned spaceships.

Introduces exoplanets, examining the planets outside of our solar system, discussing what makes them habitable, and exploring the efforts to discover new life.

With winds that can reach speeds of three hundred miles an hour and funnel clouds that can measure a mile in diameter, tornadoes leave enormous damage in their wake. Now Seymour Simon examines these twisting columns of air and destruction. Simon explains how tornadoes are formed, why and when they are most likely to occur, how scientists classify and track them -- and what to do if one touches down. Full-color photographs show this powerful phenomenon...

Profiles twenty animals considered dangerous or unattractive--such as the bat, the rat, and the grizzly bear--providing color photos and facts about their physical characteristics and their hunting methods.

Knights had to be very strong just to walk around - they were wearing armor that weighed 50 pounds or more. Castles weren't just palaces - they were fortresses and prisons. Charge into KNIGHTS AND CASTLES to find out more!

Introduces the facts about volcanoes, what they are, why and how they erupt, different types of volcanoes found around the world, and the effects of some famous eruptions of the twentieth century.

Examines superstorms and their potential destructiveness, including thunderstorms, hailstone showers, tornadoes, hurricanes, and typhoons.

Describes the physical characteristics, habits, and natural environment of various species of big cats.

Award-winning science writer Seymour Simon takes readers on a journey through a frog's life cycle, from egg to tadpole to grown frog, with fascinating facts, stunning full-color photographs, and an underlying message of ecological preservation. Readers will learn about the different types of frogs and toads that are found all over the world! This book includes an author's note, a glossary, and an index and supports the Common Core State Standards....