Ángel de la guarda, no me des la espalda

In the winter of 1856, a storm delays the lighthouse keeper's return to an island off the coast of Maine, and his daughter Abbie must keep the lights burning by herself.

Two books in one, this oversized volume shows readers the plants, root systems, insects, fossils, animals, mines, gems, minerals, and man-made wonders such as tunnels, subways, submarines, pipes, cables, and power lines that can be found underground or underwater in an unforgettable visual way. Each page takes you deeper and deeper under the waves or through layers of earth.

Now available in Spanish bilingual editions, this best-selling series offers big, brainy science for the littlest listeners. Accurate enough to satisfy an expert, yet simple enough for baby, this clever board book explores the ups and downs of gravity. When baby drops food from a high chair, why does it fall? Beautiful, visually stimulating illustrations complement age-appropriate language to encourage baby's sense of wonder. Parents and caregivers may learn a thing or two, as well!

Este libro revisa la etapa de reconstrucción del país, posterior a la revolución de 1910, en la que una nueva generación de políticos sentó las bases para la conformación del nuevo Estado mexicano, el establecimiento de la Constitución de 1917, la presidencia de Lázaro Cárdenas y la formación del México moderno. Este libro contribuye al conocimiento y entendimiento de un periodo clave en la historia de México. La cronología de 1917 a 1940 permite que los lectores lleven a cabo una lectura ordenada y sencilla. This book reviews the restructuring of Mexico after 1910. It examines...