Mi mamá

Readers will be amazed to discover that every time they climb onto bicycles and ride like the wind, they are defying gravity! This book explains the physics and history behind bicycles, skateboards, and surfboards. Readers learn what happens from the simplest movement of rolling forward to more complex tricks and stunts of jumping and spinning. Readers will never look at bikes, skateboards or surfboards the same way again.

Este libro, resultado de un proceso de experimentación diaria a lo largo de varios años de docencia en la Escuela Oficial de Idiomas de Barcelona, está concebido como un curso de perfeccionamento de español para extranjeros, con la intención de paliar la escasez de material ofrecido a los profesores que, si bien afecta a todos los niveles, resulta especialmente pobre en lo que atañe a los cursos superiores. Esperamos, pues, que nuestra aportación contribuya a llenar una parte de ese vacío metodológico. (...) [Fonte: INTRODUCCION, P. 5-6 (trascriz. parz. a cura di G.M.)].

Roberto Clemente is remembered as a one of the greatest baseball players who ever lived, but more than that, he was also a man who believed in equality for all. Readers will learn about his incredible life in this inspiring, Spanish-translated nonfiction biographical title. Children will enthusiastically want to learn all they can about Roberto's amazing life as the first Puerto Rican in major league baseball through vibrant images, intriguing facts, a helpful timeline, and a glossary that will assist in vocabulary improvement.

"Pterodactyls are one of the most fascinating ancient creatures. Now in Spanish, this carefully leveled text includes fascinating facts about these fancy flyers in an accessible format. Diagrams, age-appropriate critical thinking questions, and other features inspire visual learning and engagement."