How Do You Measure Time?

Provides an overview of the design, uses, weapons, and equipment of U.S. Navy submarines. Written in English and Spanish.

Did you know the first battery-powered vehicle was created in the 1830s? People who attended the 1892 World's Fair in Chicago could see one. And in 1894, you could buy an "Electrobat" and travel 25 miles on a single charge! Since then, EVs have surged in popularity and have become much more technologically advanced. Learn the history of EVs, how they work, why they're good for the environment, and discover the future of the electric vehicle! Created in collaboration with the Smithsonian Institution, this Spanish-translated Smithsonian Informational Text builds reading skills while engaging...

Young detectives will learn data analysis and probability while they are engaged in reading about crime scene investigations. Used in the classroom or at home, this nonfiction Spanish text includes mathematical charts to help students practice calculations and become more confident in their data analysis skills. With a glossary, an index, dynamic images, age-appropriate content, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest topics.

Susan B. Anthony, Eleanor Roosevelt, and Hilary Clinton are just a few of the most well known names in politics for forging new paths for women in a traditionally male-dominated field. However, many lesser-known women groundbreakers have changed the world by stepping out of the background and onto the political stage. This biographical text covers the lives of fascinating women in politics, from the earliest suffragette movements to modern-day women who could one day become the first female president of the United States. Readers are encouraged to seek careers that could place them with this...

Descubra por qué Selena, la reina de la música tejana, ¡se convirtió en una de las artistas méxico-americanas más célebres del siglo XX! Discover why Selena, the Queen of Tejano music, became one of the most celebrated Mexican-American entertainers of the twentieth century in this Spanish edition of the WHO HQ series! De joven, Selena Quintanilla cantaba en un grupo llamado Selena y Los Dinos con su hermano y su hermana. La familia actuaba en ferias, bodas, fiestas de quince años y en las esquinas de su Texas natal. Selena aprendió a cantar en español y pronto se hizo muy popular...