La creación de Estados Unidos a partir de las trece colonias mediante las fuentes primarias (The Making of the United States from Thirteen Colonies Through Primary Sources)

This magnificent book uses beautiful photography to help young children understand why some oceans are warm and some are cold, which kinds of plants and animals live in oceans, and how the bodies of ocean animals are built to help them glide through water. Children will be delighted by the images of seals, penguins, polar bears, dolphins, and more.

Ecos, t’mpanos, vibraciones y volumen. V’vidas ilustraciones y textos sencillosexploran la asombrosa ciencia del sonido. Cada libro tiene un glosario, actividades pr‡cticas y fascinantes datos curiosos.

Take a trip to New Orleans with a young girl and her family as they attend one of the world's biggest parties: Mardi Gras! Learn all about the history of this fascinating festival as you practice subtraction strategies. This fiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, engaging sidebars, practice problems, and math diagrams make learning subtraction strategies relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading...

En esta obra de teatro, Quique y Teresa, los dos hermanos protagonistas de la historia, comparten aventuras con dos personajes de juegos de ordenador, gracias a un invento del padre, un chip que está desarrollando para hacer que la sensación de realidad virtual de los juegos sea casi real.