Cómo funcionan los juguetes (How Toys Work)

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther. This 6-Pack includes six...

Where is your brain exactly? What does it do? Use your brain to read this engaging, Spanish-translated title and learn all about it!

Read Along or Enhanced eBook: Invite readers to see what goes on behind the scenes at a school carnival! With informational, Spanish-translated text, vibrant photos and helpful charts, children are engaged from cover to cover while utilizing mathematic skills to learn the basics of planning, income, estimates, and budgeting.

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, and who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

Yo soy sólo entre colillas, soy la cecina del poema en el que no creo, soy la cecina del verso y del poema, soy el que vive sin tener ya sentido.

Cuando Charles Darwin tuvo la valentía de embarcarse en el Beagle para dar la vuelta al mundo, sabía que esa odisea cambiaría su vida; pero no que su trabajo transformaría el panorama científico de su tiempo. En cooperación con la tripulación del barco, aquel viaje fue un camino de superación personal y profesional que le llevó, a su vuelta, a presentar con autonomía sus novedosas teorías acerca de la evolución, a pesar de la oposición que le esperaba.

"A survey of the history of piracy and lives of pirates covers such specifics as the invention of the Jolly Roger, discipline aboard pirate ships, and pirate ruses."

When people think of soft things, they immediately conjure up images of furry bunnies and similarly textured animals and objects. This inviting book helps young readers to do the same, as learning about textures is an important tenet of the early elementary curriculum. Carefully selected photographs of soft objects make the concept of texture clear to the reader as well as aid in vocabulary acquisition.