Gravedad / Gravity

Apartments, houses, log cabins, and houseboats are all kinds of homes, though they can look vastly different. Around the world, families settle into homes that can look quite different than these, yet serve the same purpose: to shelter. This volume will capture readers' imaginations, allowing them to view various types of homes, including the yaodongs of China and Queenslanders of Australia. Beautiful photographs serve to illustrate both architectural and cultural concepts.

Get a close-up look at animals in the zoo, from appearance to behavior to babies. This series uses vivid photos to compare life in the wild and life in captivity in terms of habitat, activity, and diet.

Viajero infatigable, traductor, poeta, novelista, biógrafo y ensayista, La obra de Stefan Zweig tiene las más diversas facetas y revela un gran conocimiento del corazón humano. Bajo el título de Calidoscopio reunió Stefan Zweig una serie de narraciones

Presenta varios experimentos en cronometría. Para estudiantes de primaria (grados 4-6) y de secundaria (grados 7-9).