Thomas Jefferson no firmó la Constitución (Thomas Jefferson Didn't Sign the Constitution)

The use of calendars dates back thousands of years. Why are we driven to record time, and what would happen if we did not? Who created the concept of calendars? Why do different cultures use different calendar systems? And why are calendars so important to us? It is about "time" we found out! Created in collaboration with the Smithsonian Institution, this Spanish-translated Smithsonian Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, it features a hands-on STEAM challenge...

Describes the U.S. Navy's Blue Angels, including their planes, the formation and maneuvers of their air shows, and team member duties. Written in English and Spanish.

Teach young students about ways to serve their communities. This Spanish-translated book encourages readers to help others and do their part in the community. Primary source images support the text and engage readers to help them better understand the content. Informational text features help students navigate the text.

Recounts the life of the Puerto Rican baseball star from his childhood poverty to his career with the Pittsburgh Pirates, and discusses his humanitarian efforts, his untimely death, and his contributions to the sport.