You get both seasons of The Imposter's Handbook at a 20% discount.
I'm a self-taught developer, and for most of my career, I've learned what was required to get the job done. When conversations veered toward core concepts, I disengaged. I decided to change all of this in 2014. I sat down and looked up all of the topics that a typical CS degree covers and then I dove in. The result is The Imposter’s Handbook, seasonds 1 and 2: compendia of my quest to fill the holes in my CS knowledge.
These are ebooks, delivered in epub, mobi and PDF formats. It is not physical books.