Are you a college/university student? I will send you a free ebook copy if you request this book from your university library!
All libraries have something like "Submit a purchase request" to request that they purchase new titles. This form will be in different locations for each library. They will ask for some or all of the following:
Send me a screenshot of your request at pythonforengineering at gmail dot com, and I'll send you the copy! I manually respond to the emails, and I try to respond within a day.