"Los invisibles"

Computer science is all around us, at school, at home, and in the community. Anyone can learn computer science, even at the elementary school level. This book delves into essential computer science concepts using age-appropriate language and colorful images. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience. The instructional guide on the inside front and back covers provides: Vocabulary, Background knowledge, Text-dependent questions, Whole class activities, and Independent activities.

It's Ms. Frizzle's birthday and the class tries to bake a cake but winds up inside it, learning about mixtures and reactions that occur when ingredients are put together."

A biography of Cesar Chavez, from age ten when he and his family lived happily on their Arizona ranch, to age thirty-eight when he led a peaceful protest against California migrant workers' miserable working conditions.

Simple text and photographs introduce the concept of "skip counting," or counting by groups of a certain number, and present items for practice.