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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.

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      Letter: O Showing: 1–50 Total authors: 166
      O Guilin, Peadar
      Action Adventure
      Books 7 books
      Series 1 series
      O'Bannon, Ann
      Science Fiction
      Books 3 books
      Series 1 series
      O'Barr, J.
      Science Fiction
      Books 3 books
      O'Barr, James
      Science Fiction
      Books 10 books
      O'Branagan, Devin
      Fantasy
      Books 17 books
      O'Brien, Caragh M.
      Science Fiction
      Books 10 books
      Series 2 series
      O'Brien, Erik D.J.
      GRSWP
      Books 4 books
      Series 1 series
      O'Brien, Gerry
      General Fiction
      Books 4 books
      Series 1 series
      O'Brien, Joe
      Fantasy
      Books 17 books
      Series 2 series
      O'Brien, John
      Science Fiction
      Books 58 books
      O'Connell, Bishop
      Fantasy
      Books 8 books
      Series 1 series
      O'Connor, Cassidy K.
      Contemporary Romance
      Books 39 books
      Series 1 series
      O'Connor, Patrick
      Science Fiction
      Books 6 books
      O'Dea, L.S.
      Science Fiction
      Books 14 books
      Series 2 series
      O'Dell, Claire
      Fantasy
      Books 11 books
      Series 1 series
      O'Dell, Sonnet
      Paranormal Romance
      Books 21 books
      Series 1 series
      O'Doherty, Mark
      Fantasy
      Books 9 books
      Series 1 series
      O'Donnell, Kevin
      Science Fiction
      Books 13 books
      Series 1 series
      O'Donnell, Timothy R.
      Epic Fantasy
      Books 4 books
      Series 1 series
      O'Donnell, Tom
      General Fiction
      Books 11 books
      Series 3 series
      O'Donohoe, Nick
      Fantasy
      Books 8 books
      Series 3 series
      O'Flaherty, Wendy Doniger
      Fantasy
      Books 3 books
      O'Grady, Patricia
      Fantasy
      Books 7 books
      Series 1 series
      O'Hara, Tracey
      Urban Fantasy
      Books 7 books
      Series 1 series
      O'Hart, Sinead
      General Fiction
      Books 11 books
      O'Hearn, Kate
      Fantasy
      Books 18 books
      Series 4 series
      O'Keefe, Charles
      Horror
      Books 5 books
      Series 1 series
      O'Keefe, Claudia
      Horror
      Books 6 books
      O'Keefe, Megan E.
      Science Fiction
      Books 12 books
      Series 4 series
      O'Leary, Patrick
      Science Fiction
      Books 6 books
      O'Leary, Tim
      Science Fiction
      Books 15 books
      Series 2 series
      O'Malley, Daniel
      Science Fiction
      Books 4 books
      Series 1 series
      O'Malley, Kathleen
      Fantasy
      Books 2 books
      Series 1 series
      O'Neal, Chelsea
      Contemporary Romance
      Books 5 books
      Series 2 series
      O'Neal, Kathleen M.
      Fantasy
      Books 3 books
      Series 1 series
      O'Neal, Nanette
      Fantasy
      Books 6 books
      Series 1 series
      O'Neil, Dennis
      Fantasy
      Books 81 books
      O'Neil, Denny
      Science Fiction
      Books 9 books
      O'Neil, Henry V.
      Science Fiction
      Books 5 books
      Series 1 series
      O'Neill, Gene
      Horror
      Books 20 books
      Series 2 series
      O'Neill, Joanna
      Fantasy
      Books 5 books
      Series 1 series
      O'Neill, Ryan
      General Fiction
      Books 7 books
      O'Regan, Marie
      Horror
      Books 14 books
      O'Reilly, Mary
      Fantasy
      Books 3 books
      Series 1 series
      O'Reilly, Sean
      Fantasy
      Books 29 books
      Series 1 series
      O'Riley, John
      Fantasy
      Books 19 books
      Series 3 series
      O'Rourke, Erica
      Fantasy
      Books 5 books
      Series 2 series
      O'Rourke, Kelly
      Horror
      Books 4 books
      Series 1 series
      O'Rourke, Michael
      Horror
      Books 6 books
      O'Rourke, Tim
      Fantasy
      Books 93 books
      Series 11 series