Anyone can learn computer science, even at the elementary school level. This book delves into computer science careers 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 computer science careers in everyday life. Readers will follow a narrator that makes an app with some help from their friends. This fiction book is paired with the nonfiction book Web Developers at Work (ISBN: 9781508137757). The instructional guide on the inside front and back covers provides: Vocabulary, Background knowledge, Text-dependent questions, Whole class activities, and Independent activities.