¿Quién fue Steve Jobs?

Rodeo Barrel Racing Is Described In This Book. Readers Learn About Necessary Equipment And Techniques, Famous Riders, Animals, Records, Venues, And Championships.

This simple introduction to the symbols, celebration, and traditions of Christmas looks at the holiday from a child's point of view.

Everyday examples, such as a motorcycle and a tricycle, demonstrate differences in speed. A simple, Spanish narrative runs beneath the photographs.

"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...