Copos de nieve

Learn how scientists channel energy from the sun to power awesome innovations! Created in collaboration with the Smithsonian Institution, this STEAM 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 actual Smithsonian employees working in STEAM fields. Perfect for English language learners, this Spanish book builds 1st grade students’ early literacy skills.

A thoughtful discussion of violence in schools, complete with examples of incidents and suggestions for coping.

People today refer to the Midwestern and prairie states as flyover country. During the Civil War, crossing those areas was the biggest obstacle in uniting the East and West Coasts of our divided nation. An act of Congress in 1862 authorized the Central Pacific and the Union Pacific railroad companies to build a railroad that would link the coasts. Seven years later, on May 10, 1869, an overwhelmingly immigrant labor force completed the task when a rail line was join in Promontory, Utah. The states had become united at last.

Pawel Tarnowski es un humilde librero que da refugio a un muchacho judío, David Schäfer, huido del ghetto de la ciudad de Varsovia en plena ocupación nazi. A lo largo de todo un invierno, y acechados por la amenaza permanente de que les descubran, los dos debatirán sobre cuestiones como el bien y el mal, el pecado y la redención, la literatura y la filosofía, así como de su respectivo punto de vista sobre la religión. Lejos de complacerse en la simple discusión de ideas, es una novela de acción, bellísima y trepidante, porque más allá de las palabras están siempre los hechos,...

"Datos fascinantes, ilustraciones divertidas y explicaciones claras y sencillas, ayudarán a los niños a entender el maravilloso mundo de los litorales"--Back cover.