Elizabeth Krajnik 
Felicia estudia las cadenas alimentarias: Trabajar en bucles (Felicia Studies Food Chains: Working in a Loop) [PDF ebook] 

Anyone can learn computer science, even at the elementary school level. This book delves into the essential computer science concept of loops 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 loops are used in everyday life. Readers will follow Felicia as she learns about food chains and how they work as a loop. This fiction book is paired with the nonfiction book Food Chains in the Forest (ISBN: 9781508137566). The instructional guide on the inside front and back covers provides: Vocabulary, Background knowledge, Text-dependent questions, Whole class activities, and Independent activities.