Soon to be a major motion picture starring Matthew McConaughey and Idris Elba The penultimate volume in the Dark Tower series, The Dark Tower VI: Song of Susannah, a #1 New York Times bestseller, is a pivotal installment in the epic saga. Set in a world of extraordinary circumstances, filled with stunning visual imagery and unforgettable characters, the Dark Tower series is unlike anything you have ever read. Here is the penultimate installment.