Productores y consumidores (Producers and Consumers)

What continues to expand to take up all the space it can? Gases! Gas is a state of matter, like a liquid or a solid. But it has properties that are quite different. In this Spanish-translated book, read all about the differences and what makes a gas a gas.

There is so much to explore in the Amazon! Readers are taken on an adventure through the Amazon rainforest to learn about the lush plants and beautiful animals, deforestation, and rainforest conservation in this fascinating, Spanish-translated nonfiction title that features striking photographs and riveting facts.

There is a bright light in the night sky. Sometimes it is round like a ball, sometimes it is a crescent, and sometimes it is not there at all! What is this strange and changing thing? It is the moon, of course! Read all about our moon and the moons surrounding other planets in this Spanish-translated book.

In this Spanish title, learn causes of extinction and what problems extinction causes for animals, wildlife, and humans alike.

Las Dino-historias conjugan dos pasiones de muchos niños y jóvenes: los cómics o historietas y los dinosaurios. Vivieron hace 156 millones de años, y fueron los mayores depredadores del Jurásico. No eran muy rápidos, pero si astutos, organizaban emboscadas para atrapar a sus presas. Su nombre quiere decir Extraño lagarto y se debe a que sus vértebras estaban constituídas de manera diferente al resto de los saurios.

Students will develop their math skills while engaged in reading about the importance of honeybees. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make learning place value relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading concepts. An in-depth problem-solving section provides additional learning and practice opportunities while challenging...

When they were teenagers, George and Natalia fell madly in love, but his being American and her being Spanish forced them to separate. Ten years later, they meet again and those feelings resurface with overwhelming force. Nat, aware of her difficult personal situation, refuses to give love a chance, but George is not ready to lose the woman he has always loved.

Si crees que ADN son las siglas de un país muy muy lejano y que el bruto de la clase es el único que desciende del mono, ¡has dado con la lectura que necesitabas! Este divertido libro ilustrado explica la genética y la evolución... ¡de manera que lo entienda todo el mundo! ¿Sabías que existen los mutantes? ¿Que cualquier célula de tu cuerpo sabe más de ti que tus padres? ¿Y que algo llamado gen ha hecho que heredes la barbilla de tu bisabuelo (el guapo, claro)? En las páginas de Cómo explicar genética con un dragón mutante descubrirás... ...¡las leyes más extrañas y...