Describes how birds tweet and bees buzz in the daylight before entirely different creatures awaken and prowl after dark.

Alive with froggy facts, this book has the coolest photos to bring kids deep into the swampy world of our amphibian friends.

Discusses the facts, habits and behaviors of giraffes. Beginning readers will get information about giraffes, including their diet, life cycle, physical characteristics, behaviors, and habitat.

"From woolly mammoths to saber-toothed cats, prehistoric mammals once roamed Earth. With beautiful and engaging illustrations, authentic photos, and accessible text, kids will learn all about these mighty mammals in this Level 2 reader" --

Describes different types of ants and their behavior.

"There's nothing more fascinating than dinosaurs. In this Level 1 reader, youngsters learn all about the terrifying giants that once roamed the Earth--maybe even as close as their own backyard!"--Amazon.com. Aprenda acerca de los dinosaurios y cómo vivían.

"Kids will burst with excitement as they learn all about the science and wonder of volcanoes in this new National Geographic Kids Reader. The Level 3 text provides accessible, yet wide-ranging information for fluent readers. Plus, the book includes 100 fun facts for quick and quirky information on all kinds of volcanoes, all around the world--and even some that are out of this world! The Facts Readers series bridges the gap between short, digestible...

Introduces sperm whales, including their different body parts, how they travel in groups, what they eat, and how they care for their young. Introduce cachalotes, incluyendo sus diferentes partes del cuerpo, la forma en que viajan en grupos, lo que comen, y cómo cuidan a sus crías.

Young readers learn about the most deadly animals in the world, from sharks to tiny mosquitoes.

Learn about wildfires and how firefighters fight them.