Over the years, readers have kindly pointed out issues and inaccuracies in my books. After the publication of the latest volume, I finally had time to go through the spreadsheets^[1][2][3] and Github issues^[4][5][6]. I am happy to report I went through all of feedback and addressed most of it.

Title	Amazon	BookPatch	PDF*	PlayStore	Src
Game Engine Black Book: Wolfenstein 3D v2.2	Here	Here	Here	Here	Here
Game Engine Black Book: DOOM v1.2	Here	Here	Here	Here	Here
The Book of CP-System v1.0	Here	Here	Here	Here	Here

* Gift what you want but also useful to check if it is worth getting the latest version!

Happy and healthy end of year to all!

^	[1]	Game Engine Black Book: DooM Spreadsheet
^	[2]	Game Engine Black Book: Wolfenstein 3D v1 errata spreadsheet
^	[3]	Game Engine Black Book: Wolfenstein 3D v2 errata spreadsheet
^	[4]	Game Engine Black Book: DooM Github issues
^	[5]	Game Engine Black Book: Wolfenstein 3D Github issues
^	[6]	The Book of CP-System: Github issues