9 books
Tome of Adventure #5: DCC Horror
Renewal at Crater Lake 5e
Renewal at Crater Lake C&C
Renewal at Crater Lake OSR
Dungeon Crawl Classics 2017 Halloween Module: Shadow Under Devil's Reef
Orcus on 34th Level 5E
Orcus on 34th Level SW
Orcus on 34th Level PF
Gateways to Terror