El ciclo del nitrógeno (The Nitrogen Cycle)

Este libro explora que es lo que sucede dentro y fuera de nuestro mundo, desde un volcán incadescente al Polo Norte helado.

This Spanish-translated book will be a hit with both thrill seekers and with those who prefer to stay safely on the ground. After an introduction to Newton's three laws of motion, readers learn the mechanics of various amusement park rides including roller coasters, Ferris wheels, merry-go-rounds, and gravity rides. They learn how to measure motion, and how kinetic and potential energy apply to their favorite rides. This 6-Pack includes six copies of this title and a lesson plan.

Horns, Humps, Or Hooks Are Found On A Wide Assortment Of Animals. This Book Provides Information On How These Special Body Parts Are Used And Why They Are Important.

OF COURSE you think I was the bad guy, terrifying poor little Jack. You don't know the other side of the story. Well, let me tell you... Fully translated Spanish text. SEGURO que piensas que yo soy el malo del cuento y que me dedico a aterrorizar al pobre Juan. No conoces el otro lado de la historia. Pues bien, te la voy a contar...