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      Authors A–Z: O

      Browse FictionDB authors alphabetically by last name, with book counts, series information, and bibliography links for quick discovery.

      A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
      Letter: O Showing: 1–50 Total authors: 145
      O'Boyle, Cherie
      Cozy Mystery
      Books 11
      Series 2
      O'Brian, Patrick
      Action Adventure
      Books 43
      Series 1
      O'Brian, Patrick J.
      GRSWP
      Books 21
      Series 2
      O'Brien, Charles
      Historical Mystery
      Books 14
      Series 2
      O'Brien, Emerald
      Thriller
      Books 26
      Series 5
      O'Brien, Jane
      GRSWP
      Books 43
      Series 6
      O'Brien, Jenny
      Police Procedural
      Books 18
      Series 2
      O'Brien, Kevin
      Thriller
      Books 26
      Series 1
      O'Brien, Martin
      Mystery
      Books 13
      Series 1
      O'Brien, Meg
      Romantic Suspense
      Books 20
      Series 1
      O'Brien, Paul
      Thriller
      Books 4
      Series 1
      O'Bryen, Giles
      Action Adventure
      Books 2
      Series 1
      O'Callaghan, Maxine
      Private Investigator
      Books 20
      Series 2
      O'Callaghan, Thomas
      Suspense
      Books 3
      O'Connell, Caitlin
      Mystery
      Books 2
      Series 1
      O'Connell, Carol
      Police Procedural
      Books 17
      Series 1
      O'Connell, Catherine
      Mystery
      Books 6
      Series 1
      O'Connell, Jack
      Law Enforcement
      Books 6
      Series 1
      O'Connor, Andrea
      Thriller
      Books 4
      Series 1
      O'Connor, Brian
      Thriller
      Books 5
      O'Connor, Carlene
      Cozy Mystery
      Books 29
      Series 4
      O'Connor, Ed
      Mystery
      Books 3
      O'Connor, Gemma
      Mystery
      Books 7
      O'Connor, Ian A.
      Thriller
      Books 6
      Series 1
      O'Connor, J.T.
      Thriller
      Books 4
      Series 1
      O'Connor, K.E.
      Paranormal Mystery
      Books 102
      Series 12
      O'Connor, T.J.
      Mystery
      Books 10
      Series 1
      O'Cork, Shannon
      Amateur Sleuth
      Books 7
      Series 2
      O'Donnell, Liam
      Graphic Novel
      Books 47
      Series 4
      O'Donnell, Lillian
      Law Enforcement
      Books 29
      Series 3
      O'Donnell, Patrick Ian
      Mystery
      Books 8
      Series 1
      O'Donnell, Patrick K.
      General Fiction
      Books 4
      O'Donnell, Peter
      Graphic Novel
      Books 61
      Series 3
      O'Donohue, Clare
      Mystery
      Books 11
      Series 3
      O'Donovan, Gerard
      Police Procedural
      Books 4
      Series 1
      O'Flynn, Meghan
      General Fiction
      Books 41
      Series 1
      O'Hagan, Joan
      Suspense
      Books 4
      O'Hehir, Diana
      Mystery
      Books 7
      Series 1
      O'Kane, Leslie
      Amateur Sleuth
      Books 28
      Series 5
      O'Mahoney, Peter
      Legal Thriller
      Books 24
      Series 4
      O'Malley, Matthew F.
      Mystery
      Books 7
      Series 1
      O'Mara, Tim
      Mystery
      Books 6
      Series 1
      O'Marie, Carol Anne
      Amateur Sleuth
      Books 11
      Series 1
      O'Neil, Carlene
      Cozy Mystery
      Books 3
      Series 1
      O'Neil, Vincent H.
      Mystery
      Books 9
      Series 2
      O'Neill, Anthony
      GRSWP
      Books 5
      O'Neill, Dorothy P.
      Mystery
      Books 10
      Series 1
      O'Reilly, Judith
      Thriller
      Books 4
      Series 1
      O'Reilly, Victor
      Suspense
      Books 3
      O'Shaughnessy, Perri
      Legal Thriller
      Books 15
      Series 1