Naked Came the Phoenix — Nevada Barr

The promise of discretion and pampering-and a long-overdue reconciliation with her mother-draws Caroline Blessing, the young wife of a newly-elected Congressman, to the fancy Phoenix Spa. But after her first night in the beautiful Blue Ridge Mountains, Caroline wakes to find the rich and famous guests in turmoil and under suspicion: the spa's flamboyant and ambitious owner has been murdered. As the secrets come out-and the body count rises, can Caroline keep herself from becoming the next victim?