Actor <a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Kevin+Costner&family=editorial&specificpeople=201719 ng-click='$event.stopPropagation()'>Kevin Costner</a> signs his new book 'The Explorers Guild: Volume One: A Passage To Shambhala' at Barnes & Noble at The Grove on October 27, 2015 in Los Angeles, California.