I liked “Empire of Imagination“, which is a Gygax biography, (I especially liked the Lake Geneva map, which I used when it inspired me to visit) and “Slaying the Dragon“, which is interesting business history of TSR‘s founding through WotC acquisition.
In a different vein, “The Elfish Gene” is a memoir of an AD&D player.
In a different vein, “The Elfish Gene” is a memoir of an AD&D player.