Few things in life are as picture perfect as Christmas in Maine—until murder dampens the holiday spirit. It must be something in the eggnog . . .   EGGNOG MURDER by LESLIE MEIER When a gift-wrapped bottle of eggnog—allegedly from the Real Beard Santa Club—proves to be a killer concoction for a Tinker’s Cove local, all Lucy Stone wants for Christmas is to find the murdering mixologist who’s stirring up trouble.   DEATH BY EGGNOG by LEE HOLLIS Food and cocktails columnist Hayley Powell has never cared much for Bar Harbor’s grouchy town librarian, Agatha Farnsworth. But after the Scroogy senior has a fatal—and suspicious—allergic reaction to supposedly non-dairy eggnog, it’s up to Hayley to ladle out some justice.   NOGGED OFF by BARBARA ROSS Julia Snowden’s tenant Imogen Geinkes seems to be jinxed. First, her poorly named “Killer Eggnog” gives all her co-workers food poisoning at the holiday party, then her boyfriend’s body shows up in Julia’s moving truck as she’s headed back to Busman’s Harbor. Now Julia has to get moving to catch the cold-hearted culprit.   “Three terrific tales of yuletide murder.” —Publishers Weekly (Starred Review)