Under $20

Do you want to learn the world's most spoken language? This easy-to-use beginner's guide and audio app will get you speaking basic Mandarin in no t...

Mad Libs is the world’s greatest word game and the perfect gift or activity for anyone who likes to laugh! Write in the missing words on each page ...

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...

Explore all the wonders of the ocean in one pocket-sized reference guide!From colossal whales to microscopic plankton, our vast oceans are teeming ...

The ultimate pocket-sized guide to more than 120 sports, from soccer to mountain biking.Ever wonder which is the oldest sport? Or how the Olympics ...

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...

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...

A visual look at the planet we call home, Pocket Genius: Earth delves into Earth's geology and geography, examining oceans, mountains, deserts, clo...

Find out about all 118 elements, the building blocks of matter that make up our entire universe, in this pocket-sized encyclopedia. Discover all th...

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

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

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...

From the #1 New York Times bestselling series comes the latest title in the Who HQ Now format for trending topics. It tells the history of a politi...

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...

Whether Congress is in session or not, here is an enthralling overview about the branch of our government closest to average Americans.Best-selling...

Find out how these fun, stackable blocks became the most popular toys in the world.The LEGO toy company was founded in 1934 by a Danish carpenter w...

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...

Hear ye, hear ye! Get ready to learn all about the most powerful court in the United States.Ever since it was established in 1789, the United State...

A terrifying attack! On December 7, 1941, Japanese war planes appeared out of nowhere to bomb the American base at Pearl Harbor in Hawaii. It was a...

How did a spontaneous protest outside of a New York City bar fifty years ago spark a social movement across America? Find out about the history of ...

Land ho! Discover what the Age of Exploration was all about in this wonderful addition to the bestselling Who HQ series!Before the fifteenth centur...

The Berlin Wall finally came down in 1989. Now readers can find out why it was built in the first place; and what it meant for Berliners living on ...