A lawman must protect a pregnant woman in jeopardy with the help of his brave canine partner in this suspenseful romance from New York Times bestselling author Shirlee McCoy, part of the Rookie K-9 Unit series. Attacked in her classroom, widowed teacher Ariel Martin's only thought is for her unborn child. When her student's brother, rookie K-9 Officer Tristan McKeller and his faithful dog save her life, she can't thank him enough. She knows Tristan...