Santa Must Die! (The Noel Kringle Chronicles #2) by Rebecca M. Senese
Hired as security for a Christmas in July mall promotion because of his name, private detective Noel Kringle expects an easy job, until he finds a dead Santa Claus slumped on a fake gold throne on the stage. Not even the white cotton snow drifts, the wall painted sky blue behind him, or the oversized candy canes distract from Santa’s dead form. To save his job, Noel must find an immediate replacement.
To save his dad, the real Santa Claus, Noel must find the killer. Mystery with a dash of fantasy, Noel Kringle mixes Christmas and sleuthing in a tale of magic and suspense.