Ghosts & Garlands by Kelley Armstrong

Victorian novelist Miranda Hastings is in London for a modern-day Christmas with the man she loves, and they want to see everything. Luckily, they have friends who are going to make sure they get their wish. They’re sent on a whirlwind holiday adventure, following their friends’ mysterious messages…until an encounter with a ghost who was part of an infamous gang of highwaymen. Murder, mystery, and a ghost in need? Now that’s Miranda’s idea of a holiday treat.

Note: this is a holiday novella not a full-length book. This novella is also included in the paperback and audiobook compilation “Christmas at Thorne Manor”