By My Hand: The Christmas of Commissario Ricciardi (The Commissario Ricciardi Series)
2016
I Will Have Vengeance: The Winter of Commissario Ricciardi (The Commissario Ricciardi Series)
2015
Blood Curse: The Springtime of Commissario Ricciardi (The Commissario Ricciardi Series)
2015
Il senso del dolore - L'inverno del commissario Ricciardi: Il commissario Ricciardi, Vol. 1
2017
Buio: per i Bastardi di Pizzofalcone
2015
Darkness for the Bastards of Pizzofalcone: A Bastards of Pizzofalcone Book
2021