La regla mola (si sabes cómo funciona)

"Some things are so huge or so old that it's hard to wrap your mind around them. But what if we took these big, hard-to-imagine objects and events and compared them to things we can see, feel and touch? Instantly, we'd see our world in a whole new way." So begins this endlessly intriguing guide to better understanding all those really big ideas and numbers children come across on a regular basis. Author David J. Smith has found clever devices to scale down everything from time lines (the history of Earth compressed into one year), to quantities (all the wealth in the world divided into one...

Each year, Martin Luther King Jr. Day serves as a reminder of the life and work of one of America's greatest civil rights activists. In this informative book, readers will learn about the importance of the civil rights movement and why we celebrate Martin Luther King Jr. Day. Full-color photographs accompany the text. This essential book features accessible language that is ideal for children in the early stages of learning to read.

Risas, diversión y entretenimiento con esta gran colección de los mejores chistes para todas las ocasiones. p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 10.1px Verdana}

En Afganistán, desde la llegada de los talibanes, las niñas tenían prohibido ir a la escuela, y las mujeres tenían prohibido salir de su casa sin ir acompañadas por un hombre de su familia. Esta es la historia real de una niña llamada Nasreen. Su abuela decide llevarla a una escuela secreta. Gracias a ella, Nasreen descubrirá nuevos horizontes y compartirá sus experiencias con otras niñas.