Robert E. Howard 
The Scarlet Citadel (Illustrated) [EPUB ebook] 

Trapped in the dungeons beneath an evil wizard“s scarlet stronghold, Conan must confront a slew of new challenges and foes as he fights to free himself and reclaim the throne of Aquilonia!
Featuring duplicitous betrayers, sparring sorcerers, and all of the brutal excitement you“ve come to expect from the rampaging Cimmerian, this trade paperback collects the four-issue King Conan: The Scarlet Citadel adaptation by the celebrated creative team of Timothy Truman, Tomas Giorello, and Jose Villarrubia!