There are so many great resources related to Computer Science - below we have outlined a few books that are a great supplement to use in your classes.
Hello Ruby - Book Series

Hello Ruby - Book Series
Hello, Ruby’s founder Linda is a programmer, storyteller, and illustrator from Helsinki, Finland.
Linda is a central figure in the world of programming and has worked on edutech already before it was called that. Linda is a Codecademy alumni and the founder of Rails Girls, a global phenomenon teaching the basics of programming for young women all over the world. Having never really outgrown fairytales, Linda sees the web as a maze of stories and wants to hear more diverse voices in that world.
Code in Every Class

Code in Every Class provides all of the reasons teachers should embrace teaching coding in their classrooms. It can easily be used as a guide for convincing teachers/administrators the importance of students learning the skills behind coding, which are thinking skills!
You can Dance to these Rhythms - What are Algorithms.

Meet your coding instructors—computer-savvy cats! Playful rhyming verse from best-selling author Brian P. Cleary introduces young readers to key coding concepts like syntax and algorithms, and fun illustrations further clarify the topics.