Commissario Ricciardi is a 12-book series with 11 primary works first released in 2006 with contributions by Maurizio de Giovanni, Celia Filipetto Isicato, and Antony Shugaar.
2006 • 3 Readers • 256 pages • 4
2008 • 2 Readers • 4
2010 • 3 Readers • 400 pages • 4.5
2014 • 1 Reader • 389 pages • 3
2015 • 1 Reader • 412 pages
2019 • 265 pages