Decked a Regan Reilly mystery

"When Athena Popolous disappeared from St. Polycarp's College at Oxford, her friends assumed she'd run away from her overbearing Greek family. Ten years later, at the reunion, her body is discovered in an excavation. Private investigator Regan Reilly, her former college roommate, tracks down the killer."
"Een vrouwelijke detective vergezelt een excentrieke douairière tijdens een door oplichters, juwelendieven en een meervoudig moordenaar onveilig gemaakte luxueuze overtocht naar Amerika."
"When a young woman disappears from St. Polycarp's College, her friends all assume she has run away from her overbearing family, but at a ten year reunion her body is discovered in an excavation."@en
"What do a private investigator on vacation, an elderly, eccentric aristocrat, a jewel thief, a best-selling novelist, an Oxford don and a ten-year-old murder have in common? Quite a lot, as it happens and most of it happens on the Queen Guinevere, a luxury liner sailing from Southampton to New York carrying an eccentric clutch of passengers and a hornet's nest of intrigue."@en