La alianza de Tanis

What’s the difference between a seal and a sea lion? These “second cousins” of the sea look similar, but there are many ways to tell these creatures apart. From ear shape to the noises they make to communicate, seals and sea lions are amazing creatures with both shared features and many truly unique attributes. They both share an ocean habitat, but when readers take a closer look, it’s easy to discover how they each fight off predators, mate, and raise their young in different ways. Captivating full-color photographs help to bring these marvelous mammals to vivid life.

Immigrants help make the United States a special place. Learn all about the history of immigration to the United States as you sharpen your data measurement skills! This Spanish math book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems, sidebars, and math diagrams extend the learning experience and provide multiple...

¿Qué es el arte moderno? ¿Por qué se ama o se odia? ¿Y por qué es siempre tan exageradamente caro?Will Gompertz, director de Arte de la BBC, exdirector de la Tate Gallery de Londres y uno de los mayores expertos del mundo, ha escrito una deslumbrante guía que cambiará para siempre la manera en que miramos el arte contemporáneo. Desde los nenúfares de Monet hasta los girasoles de Van Gogh, pasando por las latas de sopa de Warhol y los tiburones en formol de Hirst, este libro nos descubre la historia que hay detrás de las obras, las personas que hay detrás de los artistas y la...

Las cobijas no son calientes. ¿Entonces por qué nos dan calor? Descubre la respuesta y otras curiosidades del calor en este libro sobre la temperatura.