Trent with a great series on his games with Gygax at Glathricon in 1988, where he was playtesting his module...

Trent with a great series on his games with Gygax at Glathricon in 1988, where he was playtesting his module Necropolis:
https://mystical-trash-heap.blogspot.com/2017/05/my-games-with-gary-part-1.html

https://mystical-trash-heap.blogspot.com/2017/05/my-games-with-gary-part-2.html

https://mystical-trash-heap.blogspot.com/2017/06/my-games-with-gary-part-3.html