N&N's Criminal Files: Christmas Special Published: December 25, 2023 This is a short story spin-off of when Detective Nico Yukishito and Detective Briannova Carlos first (unofficially) met. It is highly advised to read any book in the series first. Book 1: Crime of Passion Book 2: Flames of Madness Book 3: Point of Exposure Book 4: Bones of Terror (on-going)