Ritual in Death and Missing in Death by J.D. Robb
Ritual in Death
When a naked, knife-wielding man who thinks he has killed someone crashes a glamorous ball she’s attending. Lieutenant Eve Dallas is almost relived. The clues points towards ritual murder, but Eve knows there is nothing supernatural about a deadly lust for power….
Missing in Death
Aboard the Staten Island ferry, a tourist sees something she shouldn’t have - and soon no one can find her. But if she didn’t jump, and she’s not on board, where is she? Lieutenant Eve Dallas and her team know that all the answers lie in the what she saw on that ferry.