Cómo funcionan los imanes (How Magnets Work)

What do solar panels, waterproof clothing, and window coverings have in common? They are technologies that have been adapted based on studying butterflies! Learn what scientists have learned from butterflies with this Spanish book that will ignite a curiosity about STEAM topics through real-world examples. Created in collaboration with the Smithsonian Institution, this STEAM book 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 actual...

La educación sexual en la escuela en un ambiente cargado de puritanismo es la original propuesta de esta nueva novela de Tom Perrotta, uno de los más interesantes novelistas estadounidenses de la actualidad. Definido como «un Chejov americano» por The New York Times Book Review y aclamado por su maestría para retratar con inteligencia y sensibilidad las aflicciones de la vida contemporánea, Perrotta tiene ya dos novelas trasladadas al cine con éxito, una de las cuales, Little Children —Juegos de niños, publicada también por Salamandra—, mereció tres nominaciones al Oscar....

Deserts are the driest places on Earth, but they’re full of life! Cacti, kangaroo rats, shrubs, foxes, and more have found ways to adapt to the extreme temperatures and dry conditions of deserts around the world. Readers learn about many of these adaptations as well as the major features of the desert biome. Simple maps highlight some of the biggest deserts, helping readers learn map skills. Full-color photographs reinforce accessible information about the desert ecosystem, including a concluding message of conservation.

The Mapuches established themselves in the eleventh century in what is now Argentina and Chile. Their literature is very rich and oral in nature, which highlights the legends that speak of their Gods, beliefs, customs, and stories of their encounters with enemies.