"Los invisibles"

Presents the life story of the Mexican-American labor leader who helped achieve justice for migrant farm workers by creating a union to protect their rights.

"Whoosh! Crunch! Dump Trucks are here to haul! Learn how and where they do their work in this Machines! song. Includes glossary, critical thinking questions, and sheet music"--

Readers are given helpful information about the dangers of drugs and alcohol, including narcotics, hallucinogens, and prescription medications in this Spanish-translated nonfiction book. Through detailed images, diagrams, informational text, an index, a glossary of terms, and a list of websites that provide additional information, readers are given the tools and information they need to educate themselves about addiction, drug abuse, the health and social issues that drugs and alcohol can cause, and how to say no to peer pressure.

Engineers have built some incredible things. But with every new feat, there is failure. Readers will learn about engineering feats and failures like the Titanic, the Hindenburg, the Hoover Dam, and more in this engaging, Spanish-translated nonfiction title. This book features brilliant images, charts, and intriguing facts in conjunction with informational text and mathematics skills to keep readers active and engaged.