Unlike the first book, Black House — with its concept of flipping over to another, parallel world — is directly connected to The Dark Tower.
Ready for even more new photos and details from The Dark Tower?
Fans may also be wondering about Father Callahan, the troubled priest from Salem’s Lot who appears later in The Dark Tower and becomes part of Rolan’s Ka-tet.
The Dark Tower hits theaters on February 17, 2017.