There are a lot of genre works built off roleplaying campaigns, including but surely not limited to: Steven Brust's Dragaera George R. R. Martin's Wild Cards

There are a lot of genre works built off roleplaying campaigns, including but surely not limited to: Steven Brust's Dragaera George R. R. Martin's Wild Cards Steven Erikson and Ian Esslemont's Malazan Daniel Abraham and Ty Bank's Expanse