7-8 years

Indulge in hours of interactive, do-it-yourself fun with tons of crosswords, sudoku, word searches, and other brain-tickling games in this unique f...

Pocket Genius: Animals highlights the lives of nearly 200 animals — what they eat, what eats them, where they live, and how big they are. From tiny...

Focusing on bones and joints, blood and the heart, lungs and breathing, the digestive system, brain, nerves, senses, and the life cycle, Pocket Gen...

Profiling nearly 200 types of rocks and minerals from volcanic rocks and granite to sparkling diamonds and explosive sulfur, Pocket Genius: Rocks a...

Covering the basic principles of science, including matter and materials, energy and forces, and the living world, Pocket Genius: Science is a juni...

From the great white to the tiny dwarf lantern, Pocket Genius: Sharks profiles more than 150 sharks and rays and tells what they eat, where they li...

From marvelous galleries of the Big Dipper, Little Dipper and other constellations to in-depth looks at Mercury, Venus, Earth, Mars, Saturn, Uranus...

Learn more about what climate change means and how it's affecting our planet.The earth is definitely getting warmer. There's no argument about that...

Find out all about NASA in this out-of-this-world addition to the What Was? series. The National Aeronautics and Space Administration, better known...

A mesmerizing overview of the world as it was when glaciers covered the earth and long-extinct creatures like the woolly mammoths and saber-toothed...

Readers will want to grab a telescope and explore the night skies after finishing this overview of our solar system.Our solar system consists of ei...

A life in the wild! Jane Goodall, born in London, England, always loved animals and wanted to study them in their natural habitats. So at age twent...

Everyone has heard of Albert Einstein-but what exactly did he do? How much do kids really know about Albert Einstein besides the funny hair and gen...

Like Michelangelo, Galileo is another Renaissance great known just by his first name--a name that is synonymous with scientific achievement. Born i...

Born in 1860s Missouri, nobody expected George Washington Carver to succeed. Slaves were not allowed to be educated. After the Civil War, Carver en...

Born in Warsaw, Poland, on November 7, 1867, Marie Curie was forbidden to attend the male-only University of Warsaw, so she enrolled at the Sorbonn...

In 1978, Sally Ride, a PhD candidate at Standford University, responded to a newspaper ad to join the US astronaut program. She was accepted and be...