La Energía Solar (Solar Energy)

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

Learn how prosthetic devices and 3D printing have helped injured dogs, cats, elephants, and dolphins! This Spanish STEAM reader builds literacy and critical thinking skills through real-world examples and features a hands-on lab activity.

Tristán, Guillermo y Violeta viajan a Yucatán en pos de un tesoro perdido. Están dispuestos a vivir grandes aventuras, pero lo que les espera es digno de las mejores novelas de aventuras.

In this inspiring biography, readers will learn about the incredible journey of Helen Keller. Using informational, Spanish-translated text and expressive images and photos, readers will discover the undeniable determination that Keller had as a young deaf and blind girl and how her teacher, Anne Sullivan, helped her to read, write, speak, and graduate from college. With a timeline, a bibliography, and a glossary of terms, children are given the tools they need to expand their knowledge about this fascinating and inspiring woman.

¡No se deje al alcance de los hombres! Sin rodeos, ni blablabla de abuelita, Gaby Vargas y Yordi Rosado te platican qué onda con tus cambios, todo lo que quieres saber sobre ligue, cómo sobrevivir a la escuela y cómo entenderte para que disfrutes el mejor momento de tu vida. Quiúbole con... será tu #BFF recargado, tu confidente más cercano sobre temas de sexualidad, tu consejero trendy, tu guía de redes, en fin, tu libro de cabecera, hombrera, rodillera o lo que quieras. Con TODA LA INFORMACIÓN QUE DEBES SABER para disfrutar al máximo tu adolescencia. Esta edición actualizada,...