MORTAL SINS. Porter, Anna. Richmond Hill (Ont.), Irwin Publishing, 1987. 274pp cloth. $24.95. ISBN 0-7725-1670-7. CIP Adult Reviewed by Elaine Balpataky Volume 16 Number 3 1988 May Mortal Sins is a murder mystery set in Toronto. The central characters are Judith Hayes, freelance journalist and divorced mother of two; her boy-friend. Detective Inspector David Parr of Homicide: and Paul Zimmerman, "wealthy owner of one of the largest corporate companies in America" and one of the book's two murder victims. Together Judith and David solve the murders through a search that takes them to New York, Bermuda, Paris, and finally Eger, Hungary. Recommended for adult mystery buffs. Elaine Balpataky, Ingersoll, D.C.I., Ingersoll, Ont.