El sistema óseo (The Skeletal System)

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...

Farmers use tractors to plow their fields. Tractors are also used on construction sites. The biggest tractors are as wide as a road. Learn more about these machines in Tractors, an AV2 media enhanced book

Este libro nos habla del humor con conciencia y sensibilidad. Aborda con franqueza y perspicacia las sutilezas de reírnos de otros, de nosotros mismos, o de reír por reír sin ningún motivo en particular. Este libro habla tanto cuestionando lo que es apropiado o dañino, como afrontando inquietudes relacionadas a las burlas y bromas, la intimidación y agresión, ¿Qué es divertido? se centra en el desarrollo del carácter y en importantes conflictos de valores que los padres, profesores y profesionales que trabajan con niños, enfrentan hoy en día. Este título hace parte de la...

In this Spanish language translation, the life and work of Clara Barton, founder of the American Red Cross, is told in graphic novel format.