"Early readers will learn about the unique biological adaptations of hummingbirds through carefully leveled text and photo illustrations. Includes glossary and index."--

A group of river otters takes turns sliding into the water. Webbed feet help them paddle, while waterproof fur keeps their skin dry. These are a few of many adaptations that help river otters survive the wetlands. This title for young readers introduces the adaptations of river otters through leveled text and bright photos. Additional features highlight the range, physical adaptations, and diet of these playful critters!

"In this engaging title, young readers learn about different forms of energy! Different forms of energy such a potential and kinetic are explained, as are gravity, acceleration, velocity, g-forces, and centripetal force. These properties are illustrated by the design and operation of roller coasters. Colorful infographics make joules and shifting energy easily accessible, and prominent contributors such as LaMarcus Thompson are featured. A fun experiment...

The Supreme Court protects everyone's Constitutional rights. But what do you know about the highest court in the country? Learn where the Supreme Court fits in the judicial branch, how justices land their jobs, and what the court's rulings mean for the country as a whole. It's key social studies curriculum made approachable for all!

"Breathing, thinking ahead, and calming down--mindfulness includes all this and more. Sesame Street characters present big emotions readers have likely faced alongside simple solutions like belly breathing to help kids cope with what they're feeling."--

"In this engaging title, young readers learn about the different states of matter! Atoms and molecules are explained, as are elements and the periodic table. The three main states of matter solid, liquid, gas are covered, as are the properties of each and the role of energy in their changing from one form to another. These properties are illustrated by the birth and collapse of stars. The rare states of matter, plasma and Bose-Einstein condensate,...

"Extreme skateboarding challenges demand balance, strength, and speed. Readers will be thrilled by skaters and their daring stunts"--

Learn about the life of Stephen Hawking, one of the world's most respected theoretical physicists.

"Some creatures can outlive humans by centuries. Readers will learn about these extreme examples of longevity in the animal kingdom, how aging happens, and what genes help animals to live so long."--

A sloth makes its way across a branch. Time for a nap! These slow creatures do not travel very far. But they thrive in their rain forest home! In this fun title, readers will explore the physical and behavioral adaptations that help sloths survive. Leveled text and colorful photos accompany readers on the journey, and special features detailing range, unique adaptations, and diet help highlight key facts about these slow rain forest animals!