Albert Einstein

It is the third Monday in January and school is closed. But do you know why? It's Martin Luther King Jr. Day. Turn the pages of this book to find out what dream Dr. King shared with the world, who Mohandas Gandhi was, how one brave woman helped Martin Luther King Jr. change history. Each book in the Holiday Histories series describes one of America's holidays or special days. Explore the history of each day and learn the real reason why it is important. Discover what special meaning each day might have for you.

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step...

Cuadernos no solo para leer o escuchar, sino para revivirlos activamente, en los que se entra a través de sugerentes escenarios y situaciones con construcciones, personajes, objetos, juegos y adhesivos. ¡Porque jugar es la verdadera forma de aprender!

Completo panorama de la creación poética del Grupo del 27 a través de 40 composiciones de sus principales representantes -de Dámaso Alonso a García Lorca, pasando por Alberti o Cernuda-, con abundantes notas y un conjunto de actividades y comentarios dirigidos al alumno.