Los sólidos (Solids)

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.

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.

Invite readers along on the preparations for a soccer tournament! With informational, Spanish-translated text, vibrant photos and charts, children are engaged from cover to cover while utilizing mathematical skills to increase understanding of all aspects of soccer, including sportsmanship and tournaments.

Rudy can't find his favorite sweater. He's looked everywhere: inside the house, outside, and in the apartments upstairs and downstairs. In the kitchen, in the bathroom, here, there . . . where could it be? This enchanting story has flaps, pages with cutouts, and numbers to count.

The world around us is more powerful than we know. Discover how earthquakes, tsunamis, volcanic eruptions, hurricanes, and more have affected people and places around the world in this Spanish-translated nonfiction title. Through informational text, vivid images, and stunning facts and charts, readers will learn about disasters such as The Great Potato Famine, Hurricane Katrina, Mount St. Helens, the 1906 San Francisco earthquake, as well as epidemics and pandemics such as the bubonic plague and swine flu.

Maravilloso libro que recoge decenas de rimas, adivinanzas y canciones infantiles, rescatadas de la tradición popular para ofrecer a los pequeños lectores una serie de actividades que les encantará. La musicalidad del lenguaje, los juegos de palabras... constituirán en sí mismos un divertido medio de adquisición de vocabulario. Mención especial merecen las ilustraciones, muy coloristas e infantiles, que ayudan a la compresión del texto y a dar solución a las adivinanzas.

En la mansión del conde Vázquez acaba de nacer un fantasma negro. La familia se lleva un tremendo disgusto porque un fantasma negro no se ve, y si no se ve, no asusta, y si no asusta, no le sirve de nada ser fantasma. ¿O sí? Cuando el resto de fantasmas está en apuros, el fantasma negro es el único que puede ayudarlos. "El fantasma negro" es una historia que nos habla de la diferencia con respeto, amor y mucho humor.