Patricia Harris Ph.D. 
Understanding Coding by Building Algorithms [PDF ebook] 

This detailed guide explores the historical development of algorithms and how they are used as a way of teaching computers to work through problems. Named for Persian mathematician Muhammad ibn Musa al-Khwarizmi, modern algorithms and functions make programing more efficient. Algorithms are simplified for readers using words, flowcharts, and pseudo code to build a beginning understanding of algorithms and how they are used in our modern, computerized world. Young coders and STEM students are sure to strengthen their technical skills with an in-depth and fun exploration of this essential coding topic.