With 20 million copies sold worldwide THE SHACK is an international bestseller that explores life's toughest questions through the gripping story of one man's struggle to find answers to his suffering.Mack's youngest daughter, Missy, was abducted during a family vacation and evidence that she may have been brutally murdered is found in an abandoned shack deep in the Oregon wilderness. Four years later, still trapped in his great sadness, Mack receives a suspicious note, apparently from God, inv ...