Silent Night, Fatal Night.

Mallory Dearborn is one of the best-selling mystery writers in the market. Against the wishes of her manager Michael, she's decided to end her long-running detective franchise and focus on more personal matters. Desperate for a big payday, Michael takes her prisoner and, convincing the world she's passed away, forces her to write a new, posthumous novel. Now, Mallory will spend the holidays writing her most thrilling story yet: her own escape."