DT0 - 1998 - The Little Sisters of Eluria (novella)
DT1 - 1982 - The Gunslinger
DT2 - 1987 - The Drawing of the Three
DT3 - 1991 - The Waste Lands
DT4 - 1997 - Wizard and Glass
DT5 - 2003 - Wolves of the Calla
DT6 - 2004 - Song of Susannah
DT7 - 2004 - The Dark Tower
DT8 - 2012 - The Wind Trough the Keyhole