Energía del viento

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

"My name is Book and I'll tell you the story of my life." Nonfiction like you've never read it before! Quirky and humorous, part poetry, part reflection, this is the story of the book told by none other than Book himself! This extraordinary character begins by reminding us of his origins in oral story and clay tablets, then ponders on papyrus, parchment and paper, and on being a scroll who finally gets a spine. We see him lovingly illuminated by monks in medieval monasteries, then witness the massive changes brought about by the invention of the printing press, and the coming of paperbacks...

Before there was the U.S. Constitution, there were the Articles of Confederation. Readers discover the story behind the first written constitution of the United States—from the factors that inspired its creation to the reasons why it was replaced. The detailed main text is enhanced by informative sidebars and graphic organizers. Historical images, including relevant primary sources, allow readers to immerse themselves in this historical period. Readers are given the chance to thoroughly examine elements of the original document, making them feel like true historians. They’re sure to enjoy ...

In English and Spanish, build empathy in children; guide them to show they care by listening to others and respecting their feelings. Empathy is key to positive, healthy relationships. In clear, child-friendly words and illustrations, this English-Spanish bilingual book helps children understand that other people have feelings like theirs—and different from theirs. It guides children to show they care by listening to others and respecting their feelings. Includes questions to discuss and empathy games to play, in both English and Spanish. ​The Learning to Get Along® Series The Learning...

History is full of unsolved crimes, mysterious disappearances, and strange sightings. Readers will discover some of the most well-known mysteries in history--including Amelia Earhart, Big Foot, and the Salem Witch Trials--in this fascinating, Spanish-translated nonfiction book. Featuring detailed images, intriguing facts, and informational text in conjunction with a glossary of terms and an index, readers will be enthralled from beginning to end!