Dark Tower Gunslinger Evil Ground (2013) #1

While traveling through the Desatoya Mountains towards Eluria, Roland comes across a haunted camp. While there, he relives one of his past adventures, in which he and his ka-tet fought Farson's forces, only to be trapped by supernatural enemies. A fascinating prequel to THE LITTLE SISTERS OF ELURIA, and also a return to Roland's much-loved early adventures, EVIL GROUND is a must-read for all Dark Tower fans.