A New York Times Bestselling Author -- When Maggie Messina, owner of the Black Sheep Knitting Shop, is invited to give knitting workshops at a Berkshires spa resort, all five of the Black Sheep head for a weekend of knitting bliss. The Crystal Lake Inn is owned by charismatic self-help guru and former psychiatrist Max Flemming. The doctor may have told all in his revealing autobiography, but when a killer strikes at a mountaintop retreat, the Black Sheep wonder what he might be hiding.