The Dark Tower - Song of Susannah (Book 6)

With the Calla Bryn Sturgis now at peace, Roland and his friends must resume their quest. Susannah is missing, and the entire ka-tet is in danger, suspended between fiction and reality.

Accompanied by Father Callahan, the gunslingers have no choice but to once again pass through the door of the Cave of Voices.

Their goal? To snatch the rose from the hands of the Crimson King's minions... and to save their sister-in-arms, possessed by the demonic Mia and pregnant with a formidable creature that could well change the face of the universe.

But on the road to the enigmatic Dark Tower, on which the salvation of all worlds depends, there is a very strange demiurgic writer...