Subtitle from cover.

"A Ballantine Book."

At a gathering a shady self-help guru, who may be responsible for the death of one of his devotees, persuades his guests to partake in an innocent little "cleansing game". He asks the people to make a list of the people who have hurt them over the years and poses the question "Would your world be a better place if these people ceased to exist?". Regan Hamilton Madison, a hotel heiress plays along. Later, the first person on her list turns up dead....