La creación de Estados Unidos a partir de las trece colonias mediante las fuentes primarias (The Making of the United States from Thirteen Colonies Through Primary Sources)

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...

Christopher Columbus landed in the West Indies on October 12, 1492. Today, October 12 honors Columbus’ adventurous spirit as well as his Italian-American heritage. Easy-to-follow bilingual text in English and standard Latin American Spanish explains the holiday’s history and contemporary celebrations in accessible terms. Photographs illustrate Columbus’ life as well as modern celebrations of the holiday in his honor.

In each book in this series, a boy speaks about one of four dinosaurs. The text stimulates the reader’s imagination and considers the characteristics of each dinosaur, highlighting the features that distinguish it from the others.

¿Quién mantiene a su comunidad a salvo? Los agentes de policía trabajan en una variedad de lugares para ayudar a proteger a las personas de los daños y asegurarse de que todo el mundo está obedeciendo las leyes. Fotos coloridas ayudan a los lectores a aprender cómo los oficiales de policía sirven a su comunidad mientras construyen habilidades de lectura de no ficción a través de preguntas de pensamiento crítico y otras características. Who keeps your community safe? Police officers work in a variety of locations to help protect people from harm and make sure everyone is obeying the ...