of many shorter chapters that are easier to read on the web and straightforward for teachers to remix for use in classrooms (which is completely legal because of the Creative Commons license). I will be writing these chapters in a nonlinear fashion, working on topics that I find the most interesting at a given time. There is no concrete deadline for the finished book, although I am pursuing it as a full-time endeavor. The source code for the book is available on <a href="https://github.com/runemadsen/progra