古賀慶 has written at least 5 books. Their most popular book is ブルータル 殺人警察官の告白 1 with 3 saves with an average rating of 4.5⭐.
#1 of 5 in Brutal: Confessions of a Homicide Investigator
2019 • 3 Readers • 186 pages • 4.5
#2 of 5 in Brutal: Confessions of a Homicide Investigator
2020 • 2 Readers • 160 pages • 4
#3 of 5 in Brutal: Confessions of a Homicide Investigator
2020 • 1 Reader • 160 pages • 3
#4 of 5 in Brutal: Confessions of a Homicide Investigator
2021 • 160 pages