Vive la vida crazy con The Crazy Haacks (Serie The Crazy Haacks)

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.

En 1938, un brigadista norteamericano desaparece durante la batalla del Ebro, cerca de La Fatarella. Setenta años después, Barbara Stein, su nieta, viaja hasta allí para descubrir las circunstancias de su muerte. Su propósito queda truncado por un misterioso asesinato en el que se ve involucrada y que activa recuerdos traumáticos de la República y la guerra. Enfrentándose a esta nueva situación, Barbara acaba descubriendo la fascinante historia de amistad, misterio y traición que vivió su abuelo, en compañía de un niño de La Fatarella.

The poetry of Mercedes Roffe knows how to surround the silence, seduce the readers from an abyss feeling, and dares to skirt the limits in a plural sense. It is a return trip to the genesis and future of every word, a journey whose highest points happen whenever lightning appears. That is, whenever Roffe captures the poetic brilliance of words. She is currently one of the greatest voices in Argentine poetry. Some of the most sensitive aspects of human experiences are included in this ninth book of poems."

Describes where fossil fuels come from, their uses and forms, the harm they cause to the environment, and sources of renewable energy.