Cien cosas que debes saber sobre piratas

As a land that’s constantly in flux, Earth sometimes reveals clues about the plants, animals, and other organisms that lived long ago. Fossils teach us much about what life was like millions of years ago, answering the questions of how Earth changed and maybe even why it changed. This essential Earth science topic is thoroughly explained through manageable text, fact boxes, informational charts and diagrams, and a glossary and index. Readers will become young Earth detectives by the time they’re through with this text!

¿Qué cosas suceden en esta biblioteca maravillosa? ¡Un zorro se olvida de cazar ratones! ¡Un ratón aprende a hacer trucos de magia! ¡Una gallina le lee cuentos a un zorro! Un libro conmovedor para darnos nuevas ideas. . . What goes on in this marvelous library? A fox forgets to hunt rats! A rat learns to do magic tricks! A hen reads stories to a fox! This is a moving book that offers plenty of new ideas.

Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to the six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.

You think you know the story of "Goldilocks and the Three Bears"? The tale you've heard may not be just right. This retelling of the classic story, told from Baby Bear's perspective, will convince you that Goldilocks and Baby Bear (whose real name is Sam) were actually besties! This fractured fairy tale provides a fresh perspective on a well-known tale. Fully translated Spanish text.