Por qué algunos animales tejen telarañas (Why Animals Live in Webs)

Snow falls when it is cold. Find out all the different ways snow can fall during cold weather. Paired to the fiction title Building a Snowman.

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.

Tackle today’s toughest races while learning fractions! Marvel as contestants around the world climb, crawl, run, and jump through the world’s toughest marathons and obstacle courses. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn fractions while engaged in reading high-interest content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts...

The Spanish-language edition of an informative, inspirational picture book biography about twins Juli n and Joaquin Castro, who rose from poverty to become leaders for positive change in America. The story of political powerhouse twins Juli n and Joaquin Castro began in the small room that they shared with their grandmother Victoriana in San Antonio, Texas. Victoriana crossed the border from Mexico into Texas as a six-year-old orphan, marking the start of the family's American journey. Her daughter Rosie, Juli n and Joaquin's mom, was an activist who helped the barrio through local...