8-9 years

From the factory to the road, browse through more than 170 cool cars — from hatchbacks to hybrids — in Pocket Genius: Cars. Trace the history of th...

Pocket Genius: Dinosaurs profiles more than 140 prehistoric animals and features fossils, skeletons, anatomy, and history as well as species includ...

Discover the fascinating world of inventions and technology. From the first tools to the latest gadgets, Pocket Genius: Inventions showcases key in...

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

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...

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...

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...