Determined to reach the Dark Tower, gunslinger Roland and his companions emerge from the forests in the Mid-World on a path that leads to a tranquil valley community of farmers and ranchers in the borderlands. Beyond the town, the rocky ground rises towards the dark source of affliction. Danger is imminent - the Wolves of the Calla are gathering once again, their unspeakable depredation poised to threaten the soul of the community. Roland and his companions must venture all as they face an unknown adversary. And the future all as they face an unknown adversary. And the future of the Mid-World once again faces crimson chaos. Wolves of the Calla is the magnificent fifth novel in Stephen King's epic Dark Tower series that continues to captivate processions of readers.