https://github.com/othieno/GPBB https://github.com/othieno/GPBB - the last chapter is a Quake retrospective. There's also the columns he wrote for Dr Dobbs' Jo

https://github.com/othieno/GPBB https://github.com/othieno/GPBB - the last chapter is a Quake retrospective. There's also the columns he wrote for Dr Dobbs' Journal during development. They're like an expanded, illustrated version of GPBB chapter's first half. https://www.bluesnews.com/abrash/contents.shtml https://www.bluesnews.com/abrash/contents.shtml