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Describes where fossil fuels come from, their uses and forms, the harm they cause to the environment, and sources of renewable energy.

La mujer del porvenir es un vibrante y lucido ensayo sobre la independencia de la mujer y su futuro en la sociedad moderna. Escrito en la Espana del siglo XIX, este texto destaca por espiritu vanguardista.

A baby kangaroo is a joey. A baby hamster is a pup. Learn about baby animals with this full-color text that is filled with images of children's favorite animals. With simple sentences, this Spanish science reader simplifies scientific concepts for young readers. A fun and easy science experiment and Your Turn! activity extend the learning experience. Nonfiction text features include a glossary and an index. Engage young learners with this dynamic text!

What has lots of tiny eyes, a hard shiny body, and huge black claws? If you guessed an emperor scorpion, you're right! This book introduces early readers to a mystery animal by describing its features, one by one, using short simple sentences and eye-popping full-color photos. At the end of the book, the secret animal is revealed across a colorful, two-page spread. Young children will love showing off their beginning reading skills as they learn about this dazzling collection of wild and wonderful zoo animals--one clue at a time! Fast facts and habitat maps at the end of the book provide...