In Crime City Central 24, originally published in December 2012, the story read is “Grammar Got Run Over by a Reindeer” by E. E. Kennedy. This was an unexpectedly delightful cozy Christmas mystery, chock full of grammar puns.
Story read: http://crimecitycentral.com/crime-city-central-no-24-e-e-kennedy/
Author info: E E Kennedy: http://www.missprenticecozymystery.com/