As a sysadmin, I can recommend this book!
This book's author(s) definitely know their stuff. I'm a former data center system administrator - also called a sysadmin - and finally, here's a computer book that I can recommend to my computer illiterate friends and relatives when it comes to getting started in learning to code or to use slightly more advanced computing technologies than the average Joe user. My only gripe is that the transition from scratch game programming to python game programming involved a preliminary python for business users segment that kind of distracted from the main theme of the previous section. And then the jump to web technologies had me expecting a mention of rails, python CGI, or PHP, none of which was mentioned. Your website will look nice but have zero backend functionality. Other than that it's a good book. I recommend it for beginners in coding, and no further. For me it was just a review.