Los castillos de Trajano

What keeps objects from floating out of your hand? What if your feet drifted away from the ground? What stops everything from floating into space? Gravity. As in his previous books, Redwoods, Coral Reefs, and Island, Jason Chin has taken a complex subject and made it brilliantly accessible to young readers in this unusual, innovative, and very beautiful book.

It was known as the age of the dinosaurs, but other fascinating creatures roamed the Earth at the same time. Learn about lesser-known animals from the prehistoric era that are no less fascinating! Students will be engaged in reading about ancient animals like Gigantopithecus, Titanoboa, Megalodon, and more as they develop their skills at reading and writing numbers. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make...

De lo idílico (sin por ello implicar forzosamente lo falso), a lo real crudo, de la alegría a la amargura, pasando por la resignación, el desencanto, la ironía cáustica, pero también la comprensión capaz de anular el maniqueísmo del bueno y del malo. Teniendo en cuenta la condición imprescindible de tema tan universal y constante como es el amor, conforme la propia literatura ejemplifica desde siempre, resulta de veras gratificante también considerar la multiplicidad de perspectivas con la que estos autores contemplan y elaboran una materia literaria cuya importancia radica...

Alexander Graham Bell was always trying to invent new things! In this biography that has been translated into Spanish, readers will learn about Alexander's life as a teacher and inventor of such incredible inventions as the telephone, record player, and metal detector. Colorful images, supportive text, an interesting timeline, and a helpful glossary, table of contents, and index combine to give readers an inspiring look into the life of Alexander Bell.