The kingdom Protista includes organisms, most of them microscopic, which have both animal and plant features. With such a diversity of life forms in this grouping, the features of this… 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 →

How do you move objects from one position to another? This fun book explains how a force, such as a push or a pull, can put an object in motion. Simple activities show how a force can move an 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 →

While most fish eggs become food for other animals, the male seahorse guards its eggs in a special pouch until they hatch! This exciting book explains the basic concept of the life cycle in… More →

Few books explain the scientific classification of animals as well as What is the Animal Kingdom? All creatures, including insects, mammals, and fish, are classified and described from simple 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 →

Hibernation is one of nature's greatest miracles, allowing animals to sleep through periods of extreme cold (and heat). From the tundra to the desert, this ability enables animals to live in… More →