Castles (1984), by Alan Lee and David Day, contained an illustration of a fantastic place called the Island Castle of the Millstone Beast. That illo inspired me to create a similar island castle for my first published D&D adventure, which appeared in Dungeon 11 (1988). #dnd pic.twitter.com/bCGJxoep89
— Christopher Perkins (@ChrisPerkinsDnD) February 15, 2022
The black dots were used to indicate locked doors. #wotcstaff #dnd
— Christopher Perkins (@ChrisPerkinsDnD) February 15, 2022