Mira adentro: Tu corazón y tus pulmones (Look Inside: Your Heart and Lungs) 6-Pack

Discover how the heart and lungs work together to keep the blood flowing and the body breathing in this book that provides pictures of real hearts and lungs and accompanying diagrams. Readers will learn about circulation and breathing as well as related vocabulary.

When people think of soft things, they immediately conjure up images of furry bunnies and similarly textured animals and objects. This inviting book helps young readers to do the same, as learning about textures is an important tenet of the early elementary curriculum. Carefully selected photographs of soft objects make the concept of texture clear to the reader as well as aid in vocabulary acquisition.

Una Biblia con el texto de la Reina Valera 1960 a la par de la versión inglesa New King James. Contiene además 128 páginas con lecturas que ayudarán al joven a acercarse a Cristo con valiosos consejos y recomendaciones sobre la vida cristiana y la relación con su Creador.

Visiting an aquarium is fun. There are many fish, sharks, birds, penguins, sea otters, and other creatures to see. Dive into learning subtraction as you read about the many animals at the aquarium! This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning subtraction easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading...

Magnitud imaginaria, piedra de toque de la famosa «Biblioteca del Siglo XXI» y heredera de la aclamada «Vacío perfecto», es otro ejemplo delirante del genio de Stanis&ław Lem. Artistas que realizan pornografía mediante el uso de rayos X, científicos que cultivan bacterias que se comunican en código Morse y son capaces de predecir el futuro, vendedores de enciclopedias «de cuarenta y cuatro magnetomos» en las cuales está escrita la historia que aún no ha acontecido, inteligencias artificiales que crean obras de autores tan intocables como Dostoievski y que ni ellos mismos se...