Cómo funcionan los ecosistemas

Bike riding is a lot of fun, but it can also be dangerous. Read about how people have made cycling safe over the years. Learn how bicycles have changed over time and how bike parts, equipment, and trails make cycling safer. Created in collaboration with the Smithsonian Institution, this Spanish book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from Smithsonian employees...

In the last one hundred years, Earth’s average temperature has risen one full degree. That might not sound like much, but it affects Earth’s oceans, land, plants, and animals. Learn all about global warming, the carbon cycle, the greenhouse effect, and weather and climate with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. This nonfiction book introduces students to new concepts, vocabulary terms, and STEM topics. With detailed images and fascinating sidebars, the leveled text supports students reading at...

"Así ve Maxi, el cuarto de cinco hermanos, la figura de su padre. Peronista, aunque trabaja con los radicales, televidente compulsivo, alcohólico, algunas veces periodista, hincha de River o de Boca, según la conveniencia, golpeador y, sobre todo, una incógnita"--Cover.

These diaries feature the loves, friendships, and family lives of Pascualina and Aldonza, a.k.a Artilugia, providing positive messages and advice for adolescents. Each includes bookmarks, stickers, and plastic pocket pages for storing special items. This diary of Pascualina's younger sister, Aldonza, chronicles her attempt to reconnect with a lost love through the adoption of a gypsy alter ego, Artilugia. Estas agendas revelan los amores, amistades y la vida familiar de Pascualina y su hermanita Aldonza, también conocido como Artilugia, mientras proporcionan mensajes positivos y consejos...