El sistema óseo (The Skeletal System)

A dictionary tailored for the Latin American market is an ideal supplement to the middle school curriculum and includes up-to-date definitions, example sentences, synonyms and antonyms, and more. Original.

Discover That There Are 6000 Different Kinds Of Dragonflies Because They Are Predators, How Their Body Is Made Up, And How They Reproduce.

Simple text encourages children to make healthy decisions, including brushing after meals, washing hands regularly, and getting regular checkups at the dentist and the doctor.

This award-winning beginner's guide to the natural world of fish from the creators of the About... series was named an "NSTA Recommends" book. Noted educator and author Cathryn Sill uses simple, easy-to-understand language to teach children the basic characteristics of what fish are, how they swim, breathe, and reproduce, and explains the different ways they protect themselves from predators. With beautifully detailed, realistic paintings, noted wildlife illustrator John Sill introduces readers to the diversity of the fish population, from an Arctic char to a porcupine fish. An afterword...