La antigua Roma (Ancient Rome)

Wind Power: A waving flag, blowing leaves, a kite soaring through the skyall are moved by wind power. Wind is also our fast-growing source of energy. Find out how wind forms and the different ways we may use it in the future.

La naturaleza está llena de innumerables criaturas salvajes, extrañas y maravillosas, de todas las formas y especies. Cada animal se ha adaptado para sobrevivir en su entorno particular. Cada ser vivo desempeña una función única e importante en nuestro planeta. Sorpréndete con esta divertida recopilación de los animales más inútiles (¿o no?) del mundo.

The Spanish-language edition of an informative, inspirational picture book biography about twins Juli n and Joaquin Castro, who rose from poverty to become leaders for positive change in America. The story of political powerhouse twins Juli n and Joaquin Castro began in the small room that they shared with their grandmother Victoriana in San Antonio, Texas. Victoriana crossed the border from Mexico into Texas as a six-year-old orphan, marking the start of the family's American journey. Her daughter Rosie, Juli n and Joaquin's mom, was an activist who helped the barrio through local...

16 vidas extraordinarias de personas que luchan cada día por salvar el medio ambiente. 16 historias para los pequeños héroes que salvarán nuestro planeta. ¡Somos la última generación que puede cambiar el mundo! Nunca se es demasiado jóven para salvar el mundo. Este es el mensaje que transmiten los 16 cuentos de este libro. 16 vidas extraordinarias de personas que luchan cada día por salvar el medio ambiente. 16 historias para los pequeños heroes que salvarán nuestro planeta. De Leonardo di Caprio a Emma Watson, pasando por supuesto por Greta Thunberg o Pierre Rabhi (considerado...

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This primary source book provides firsthand accounts of history that give students personal insights into historical events. Learn about California’s history during the 20th century with this Spanish book that builds reading comprehension and social studies literacy. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at...