My First Spanish Words to See and Learn

When President Thomas Jefferson bought the Louisiana Territory from cash-strapped France in 1803, he doubled the size of the United States without really knowing what he was getting. He dispatched Meriwether Lewis and William Clark and their Corps of Discovery to explore a territory that would include part or all of fifteen future states and to seek a water route to the West Coast. Westward expansion began immediately, all for the bargain price of 15 million dollars. This book richly explores this fascinating part of history.

Introduces the concept of heat, how it's created, how it affects materials around it, and how heat is used.

Huracanes y tornados is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

Desde la aparición de su libro más emblemático, el autor ha recibido miles de cartas y correos electrónicos en los que los lectores le hacían toda suerte de preguntas. Hoy, impulsado por esa "fuerza" que, siempre lo acompaña, el periodista e investigador navarro ha decidido responder públicamente. Y lo ha hecho a cuerpo descubierto, directa y valientemente, sin rodeos ni concesiones. En este texto, Benítez selecciona las 101 preguntas más duras, tiernas, divertidas y profundas. Si su mente no dispone de un mínimo de tolerancia, no lea este libro. Tras un largo y duro peregrinaje por ...