A Vow of Fidelity (Sister Joan Murder Mystery)

Sister Joan receives a photo of her art school classmates, reminding her of a reunion pact they made 20 years ago. But for three of group, it’s too late - they’re already dead. Joan is more determined than ever to attend the get-together. Then another copy of the photo arrives, again anonymously, with the dead friends crossed out and an ominous black circle drawn around Sister Joan. Ten old friends. Three are dead. Is she next? Sister Joan must unearth lies new and old to get to the bottom of these disturbing events in the seventh book of the Sister Joan Murder Mystery series.