Earth's surface is constantly being changed by heat, water, ice, salt, plants, and animals. Sometimes the changes are destructive to human activities such as farming and the building of… More →

Science uses evidence in explaining the natural world. Using relatable, real-world examples, this informative book shows readers how to construct an argument with evidence to support a claim. More →

This book tells the story of Pteranodon. During the late Cretaceous period, between 89 and 80 million years ago, one of the largest flying reptiles to exist flew in the skies. Its large… More →

Pulling Up explores the benefits and uses of the pulley. This clever device uses rope wound over a grooved wheel to help lift heavy loads. RobbO and RobbEE use a pulley to remove the engine… More →

Three cheers for this incredibly physical competitive sport that combines gymnastic moves with dance. Kids will learn about the basics of tumbling, dance, jumps, and stunting, or building… More →

Dress like a king or queen, twirl your gragger, and make some noise - Purim is here! One of the happiest Jewish holidays on the calendar, this springtime holiday is celebrated with costume… More →

Patterns are made up of shapes, like spots, stripes, circles, triangles, and combinations of these. Colors play a big part in patterns as well. Bobbie Kalman's new book helps explain how some More →

We measure time in minutes, hours, days, weeks, months, seasons, years, and in historical dates. We talk about mealtimes, bedtimes, school times, holiday times, and good times. We also use… More →

Almost every shape can be found in nature! The sun, moon, and Earth are circles and spheres. The wings of butterflies contain triangles, the cells of honeybees are hexagons, and the hood of… More →

This fun book is about animal behavior. It challenges students to guess what animals are doing and why. Topics include camouflage and mimicry, color changes, migration, animal senses and… More →