Tor.com just posted an exclusive extract from Stephen King's The Dark Tower: The Wind Through the Keyhole:
In King’s own words: “What happened to Roland, Jake, Eddie, Susannah, and Oy between the time they leave the Emerald City (the end of Wizard and Glass) and the time we pick them up again, on the outskirts of Calla Bryn Sturgis (the beginning of Wolves of the Calla)? There was a storm, I decided....”
The Wind Through The Keyhole takes place between books four and five in The Dark Tower series.
The cover is by Jae Lee. Follow this link to read the excerpt.