Book excerpt: Anyone can learn computer science, even at the elementary school level. This book delves into the essential computer science concept of data collection using age-appropriate language and colorful illustrations. A meaningful storyline is paired with an accessible curricular topic to engage and excite readers. This book introduces readers to a relatable character and familiar situation, which demonstrates how data collection is used in everyday life. Taylor collects data about the frequency of each animal track she finds in nature. This fiction book is paired with the nonfiction book What Happened to the Ecosystem? (ISBN: 9781508137771). The instructional guide on the inside front and back covers provides: Vocabulary, Background knowledge, Text-dependent questions, Whole class activities, and Independent activities.