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

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

Everyone has heard of Albert Einstein--but what exactly did he do? How much do kids really know about Albert Einstein besides the funny hair and genius label? For instance, do they know that he was expelled from school as a kid? Finally, here's the story of Albert Einstein's life, told in a fun, engaging way that clearly explores the world he lived in and changed.

The idea of the Roaring '20s conjures up images of speakeasies, women with short, saucy hairdos, and hot jazz. Readers will learn about the historical events that define this decade, including the devastating war that preceded it. An explanation about project-based learning will help readers understand how it can help them research their topic in unique and interesting ways. Constructive suggestions offer ideas for projects, while encouraging readers to take their studies in new and interesting directions.

Este libro bilingüe (español/quechua) relata la vida y obra del maestro de arte tradicional Julio Gálvez, reconocido como personaje meritorio de la cultura peruana por su experticia en el tallado del alabastro o piedra de Huamanga, patrimonio cultural de la nación. "Julio era observador. Le gustaba admirar el lugar de trabajo de los artistas ayacuchanos y como ellos, con mucha paciencia y presión, iban tallando la piedra hasta formar hermosas esculturas. Nos lo cuenta la autora como lo haría su maestra de primaria o una amiguita de Julio, y, gracias a ella, conocemos los orígenes, la...

Este libro infantil, en forma de divertido cuento protagonizado por un extraterrestre, explica a los más pequeños la historia de un club de fútbol y el sentimiento de una afición: la del Atlético de Madrid. Escrita por Juan Luis Cano, recorre los éxitos, las ilusiones, los trofeos y el orgullo del club colchonero.