¿Por qué hibernan los animales? (Why Animals Hibernate)

Thomas Edison is considered by many to be one of the greatest inventors of all time. His creations changed the world, but there was more to his life than just his inventions. Readers of this engaging volume will learn all about the man behind the innovations. This fascinating biography introduces important subjects and encourages a further interest in history. Concise and accessible text paired with vibrant photographs is sure to captivate audiences of many ages and levels.

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.

El machismo y la violencia de género explicados de una forma muy cercana por Pamela Palenciano, autora del famoso monólogo No solo duelen los golpes. Pamela Palenciano sobrevivió a una relación de maltrato que duró toda su adolescencia. En este libro comparte lo que vivió y nos brinda una mirada fresca e ingeniosa que analiza con profundidad la idea del amor romántico y cómo nos afectan los roles de género. O, dicho de otra manera, por qué los hombres compiten por todo, por qué las mujeres de los anuncios siempre salen con la boca abierta y qué le pasa a la princesa después de...

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.