Half-way house

The victim had lived two lives, but a single knife-thrust ended both of them. The trail of suspicion led into the guilt-edged world of the beautiful people--and climaxed in a vicious courtroom battle that ended with a shattering verdict. It seemed that for the first time Ellery had met his match--until the sleuth blended his usual impeccable logic with a most unusual fling at love to bait a trap to tempt the bizarre tastes of an extraordinary murderer.