Book 0.5
The Wind through the Keyhole
Stephen King
Book 1
The Dark Tower I: The Gunslinger
Stephen King
Book 2
The Dark Tower II: The Drawing Of The Three
Stephen King
Book 3
The Dark Tower III: The Waste Lands
Stephen King
Book 4
The Dark Tower IV: Wizard and Glass
Stephen King
Book 5
The Dark Tower V: Wolves of the Calla
Stephen King
Book 6
The Dark Tower VI: Song of Susannah
Stephen King
Book 7
The Dark Tower VII: The Dark Tower
Stephen King