You can google it...It's was just turned into a box office hit.
The Lucky One is a 2008 romance novel by American writer Nicholas Sparks. Released on September 30, 2008, the book revolves around a U.S. Marine, Logan Thibault, who finds a photograph of a smiling young woman during his service in the Iraq War. During his three deployments to Iraq, he carries it around with him as a good luck charm. He experiences a series of fortunate events and, upon his return, goes looking for the woman in the photo to thank her.