Three novels, two with Felse and one with Musgrave. All from the 60s or early 70s and quite dated at this point. One is set around a Roman archeological site, another is set in the same region but with a young girl who vanishes for 3 days around the time of a murder. The last takes place in a small opera company where one of the singers is killed onstage. The mysteries are well crafted - but the characters are dated and their motives hard to empathize with at this point 50 years or so after they were written. ( )