#1 INTERNATIONAL BESTSELLER • From the extraordinary author of the international bestselling sensation The Alchemist comes a provocative novel that explores the question of what it means to live life fully and happily. "A compelling tale of existential angst, marital betrayal and sexual sin.” — The Chicago Tribune I want to change. I need to change. I'm gradually losing touch with myself. Adultery, the novel by Paulo Coelho, best-selling author of The Alchemist and Eleven Minutes , searches for the balance between life's routine and the desire for something new.  “Propulsive.... A compelling tale of existential angst, marital betrayal and sexual sin.” — The Chicago Tribune