• 21 Books

• 8 Police
• 6 Private investigators
• 5 Balzic, Mario (Fictitious character)
• 4 Demarkian, Gregor (Fictitious character)
• 2 Armenian Americans
• 2 Beauty operators
• 2 Garrett, Dave (Fictitious character)
• 2 Women journalists
• 1 African American men
• 1 Amish
• 1 Authors, Irish
• 1 Caddies
• 1 College teachers
• 1 Crack (Drug)
• 1 Crimes against
• 1 Crown, Stella (Fictitious character)
• 1 Dairy farmers
• 1 Drug addicts
• 1 Farmers
• 1 Homeless men
• 1 Investigation
• 1 Irish Americans
• 1 Murder
• 1 Mystery
• 1 Pepper, Amanda (Fictitious character)

• 6 Constantine, K. C
• 4 Haddam, Jane, 1951-2019
• 2 Albert, Neil
• 2 Strohmeyer, Sarah
• 1 Callaghan, Mary Rose
• 1 Clemens, Judy
• 1 Dexter, Pete, 1943-
• 1 Griffin, W. E. B
• 1 Jones, Solomon, 1967-
• 1 Ritter, Todd
• 1 Roberts, Gillian

• 21 English

• 10 Philadelphia
• 9 Philadelphia (Pa.)
• 1 Beverly Hills (Calif.)
• 1 Connecticut
• 1 United States

• 21 Fiction
• 2 Humorous fiction
• 1 Detective and mystery fiction
• 1 Detective and mystery stories
• 1 Ghost stories
• 1 Historical fiction
• 1 Humorous stories

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