So, basically, the 7 DARK TOWER books are structured as follows: Books 1, 2, & part 1 of 3 building the fellowship: Eddie, Susannah, & Jake Books 3 (part 3), 4, & 5 saving the cities: Lud, Hambry, & Calla Books 6 & 7 defeating the core villains: Flagg, Crimson King, and Roland's tower addiction
