Agujeros negros (Black Holes)

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.

Los trucos de Nikki para triunfar patinando sobre el hielo. #1: Busca una motivación importante para patinar. #2: Haz equipo con tus mejores amigas, Chloe y Zoey . #3: Mantén alejada a la odiosa Mackenzie. #4: Asegúrate de que sabes patinar. A Nikki Maxwell no le sorprende descubrir que su amor platónico, Brandon, es voluntario en un refugio de animales local. Él es un chico dulce - ¡por supuesto que quiere ayudar a esos perritos adorables! Pero Brandon le cuenta que el albergue está en peligro de ser cerrado, y Nikki sabe que no puede dejar que eso suceda. Así que Nikki y sus amigas...

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 Spanish-translated book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, who works against it, and all other forces that contribute to a successful dive or climb. After reading this Spanish-translated book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

This nonfiction book explores the history, culture, customs, and beliefs of California's American Indian tribes including the Chumash, Tongva, Hupa, Yokuts, Quechan, and Coso tribes. Detailed primary source images in conjunction with Spanish text provide 3rd grade students with an inviting reading and learning experience as they build their social studies knowledge. This book includes basic informational text features including a glossary, an index, table of contents, and reader's guide. Students will be intrigued by Native American history with this fascinating nonfiction Spanish book.

El libro de niños de Nancy Hahn “Un Muchacho Perdido”, diciendo la historia de la vida de Bol Malual. Es el primer libro de niños para dirigirse a la historia de los Muchachos Perdidos de Sudán.