<P>Unholy Matrimony</P> <P>Ask not for whom the wedding bell tolls, it tolls for Judith McMonigle Flynn's son Mike--and the Hillside Manor b&b is packed to the rafters with relatives. However, Mama Judith's unrestrained joy is somewhat dampened when, during the rehearsal dinner downtown, she spies a tuxedo-clad gent tossing a bridal-gowned beauty off the roof of a nearby hotel. Always one to eagerly exclaim "I do!" when offered the opportunity to investigate nefarious deeds, Judith's determination to unveil a killer could put undo stress on her own marital bliss with policeman-hubby Joe. But she remains wedded to her mission--and she's not about to take a honeymoon from amateur sleuthing until she's gotten to the bottom of the homicidal hanky-panky surrounding a match made in hell.</P>