La antigua Roma (Ancient Rome)

Wind Power: A waving flag, blowing leaves, a kite soaring through the skyall are moved by wind power. Wind is also our fast-growing source of energy. Find out how wind forms and the different ways we may use it in the future.

From where they are located to the various animals that live there, early readers discover the lush forests of the world in this inviting, Spanish-translated nonfiction title that features vivid, brilliant images in conjunction with informational text and intriguing facts about this amazing ecosystem.

A María se le cae el mundo encima cuando su padre le dice que se trasladan a vivir a Bolivia. Un mundo desconocido que le reserva sorpresas que ella no espera. ¿Hasta qué punto el azar puede cambiar la vida de una persona? Una novela que muestra los problemas de adaptación y, también, la capacidad de superación personal.

Deforestation, hunting and global warming have endangered countless species. The orangutan, okapi, giant panda and the blue whale are just some of the 30 species on the brink of extinction that are featured in this book. They need your help. The International Conservation Society illustrates how many of these species are left in the wild, and the latest status regarding their natural environment. You'll learn how you can aid endangered species and help sustain the ecosystems that give them life.

A koala rests comfortably in an Australian eucalyptus forest, penguin families gather on icebergs of Antarctica, an alligator protects her young in its mouth, a hippopotamus teaches her baby the art of bathing, and an elf owl peeks out of its cactus nest. These captivating images, taken by some of the world's leading wildlife photographers, introduce young children to similarities that exist between the animal world and their own. Photographs of animal habitats from all over the world teach young readers that all living creatures live in special places they call home. And by seeing animals...