In Armored Animals, early fluent readers learn about animals such as the armadillo, rhinoceros, and...

In Electric Animals, early fluent readers learn about animals such as the stargazer fish, electric...

In Horned Animals, early fluent readers learn about animals such as the yak, kudu, andcape buffalo...

In Prickly Animals, early fluent readers learn about animals such as the sea urchin, porcupine, and...

In Slimy Animals, early fluent readers learn about animals such as the hagfish, fulmar, and sea...

In Stinky Animals, early fluent readers learn about animals such as the skunk, opossum, and Komodo...

In Undercover Animals, early fluent readers learn about animals such as the zebra, octopus, and...

In Venomous Animals, early fluent readers learn about animals such as the cobra, bee, and stonefish...

In Bicycles, early fluent readers explore the physics behind this popular children's vehicle. Vibrant, full-color photos and carefully leveled text engage young readers as they explore how a bicycle works. An infographic illustrates how a bicycle frame distributes a rider's weight, and an activity offers kids an opportunity to extend discovery.