Fortress, Tomb, and Tower: The Glain Campaign is a multi-module for use with the Basic Fantasy Role-Playing Game. This module includes adventures for low to mid level player characters. The book includes: Fortress of the Iron Duke, an adventure in a castle which has been taken over by an evil force; Tomb of Karsma Megalos, an expedition to the last resting place of a great barbarian chieftain; and Crooked Rock Tower, an adventure which sees unlikely allies raiding an old wizard's tower.