Donut Mystery #31, Cranberry Crimes, from New York Times Bestselling author Jessica Beck!

When Suzanne Hart is commissioned at the last minute to make donuts for a long-time customer's birthday party, she happily complies, but when the guest of honor dies before the party can even begin, Suzanne taps Grace, Jake, and even Phillip to help her solve Jasper Finney's homicide before the killer gets away with murder.