Los planetas (The Planets)

Black holes are neither holes nor black. They're invisible and packed with matter! Future astronomers will find out many more fascinating facts about these space phenomena with this intriguing book. Carefully crafted text encapsulates the most important information about black holes, such as how scientists locate them and their significance in a star's life cycle. Amazing photographs support critical concepts and inspire a true appreciation of the spectacles of space.

La Semana Trágica, las huelgas, las luchas y la necesidad del sufragio femenino, las políticas de la infancia en una trama social en gestación, las prisiones, los trasfondos multicolor del yrigoyenismo, la epidemia de gripe, los recovecos del arte: todo pasa por Katherine Sophie Dreier, singular y generosa mujer de vanguardia, a través de una lente estadounidense convertida en audaz caleidoscopio, lo que hace de este libro un relato fascinante del viaje que esta singular mujer emprendiera por Argentina entre 1918 y 1919.

Civil rights leaders are people who make sure that the laws of the United States are fair for everyone, regardless of their race, religion, or gender. One of the most influential men of our time was Dr. Martin Luther King, Jr. EL DIA DE MARTIN LUTHER KING, JR.—HONRAMOS A UN HOMBRE DE PAZ is a Spanish-only edition discussing the man behind this day.

Recounts the life of the Puerto Rican baseball star from his childhood poverty to his career with the Pittsburgh Pirates, and discusses his humanitarian efforts, his untimely death, and his contributions to the sport.

Travel to the 22nd century in this captivating, Spanish-translated nonfiction title that allows readers to discover the future of space. Elementary readers will be fascinated with the possibilities that may await human life in the future. Readers will discover the technology that may be used to one day allow humans to live on another planet, new worlds, alien life, and artificial intelligence. Featuring vibrant photos, images, informational text, a glossary of terms, and a list of helpful websites for more explorations, children will be excited and enthralled as they move through this title....