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      Book Series by Author: O

      Browse FictionDB book series written by authors whose last names begin with O, including book counts, genres, and age-level information for quick browsing.

      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: 51–100 Total series: 172
      Halloween 3 books
      by O'Rourke, Kelly
      Primary Genre Horror
      Age Level Young Adult (12-17)
      The Doorways Trilogy 3 books
      by O'Rourke, Tim
      Primary Genre Speculative Fiction
      Age Level Kids (12 & Under)
      Kiera Hudson Series Three 9 books
      by O'Rourke, Tim
      Primary Genre Fantasy
      The Moon Trilogy 3 books
      by O'Rourke, Tim
      Primary Genre Speculative Fiction
      The Chronicles of Maggie Trent 3 books
      by O'Russell, Megan
      Primary Genre Fantasy
      Age Level Young Adult (12-17)
      Fracture Pact 4 books
      by O'Russell, Megan
      Primary Genre Fantasy
      Age Level Young Adult (12-17)
      Girl of Glass 5 books
      by O'Russell, Megan
      Primary Genre Action Adventure
      Age Level Young Adult (12-17)
      Guilds of Ilbrea 6 books
      by O'Russell, Megan
      Primary Genre Fantasy
      Heart of Smoke 4 books
      by O'Russell, Megan
      Primary Genre Action Adventure
      Age Level Young Adult (12-17)
      The Tale of Bryant Adams 4 books
      by O'Russell, Megan
      Primary Genre Fantasy
      Age Level Young Adult (12-17)
      The Tethering 4 books
      by O'Russell, Megan
      Primary Genre Fantasy
      Age Level Young Adult (12-17)
      Galaxy Zack 18 books
      by O'Ryan, Ray
      Primary Genre Science Fiction
      Age Level Chapter Books (Ages 7-10)
      Jarved Nine 3 books
      by O'Shea, Patti
      Primary Genre Science Fiction Romance
      Light Warriors 4 books
      by O'Shea, Patti
      Primary Genre Paranormal Romance
      Agents of the Eye and Ear 3 books
      by O'Toole, Shawn
      Primary Genre Fantasy
      Ember 2 books
      by Oates, Carol
      Primary Genre Paranormal Romance
      Age Level Young Adult (12-17)
      Of Cats and Dragons 8 books
      by Ochlan, Camilla; Leever, Carol E.
      Primary Genre Fantasy
      Age Level Young Adult (12-17)
      The Desolate Empire 5 books
      by Ochs, Christina
      Primary Genre Fantasy
      Burning Sky 2 books
      by Ochse, Weston
      Primary Genre Science Fiction
      Task Force Ombra 3 books
      by Ochse, Weston
      Primary Genre Science Fiction
      The Ocoda Chronicles 7 books
      by Oconnell, Daniel
      Primary Genre Science Fiction
      Komi Can't Communicate 11 books
      by Oda, Tomohito
      Primary Genre Manga, Fantasy
      The Nanoclone Trilogy 2 books
      by Odell, Doug
      Primary Genre Science Fiction
      Grimnir 3 books
      by Oden, Scott
      Primary Genre Historical, Fantasy
      F.R.E.E. Lancers 2 books
      by Odom, Mel
      Primary Genre Heroic Fantasy / Sword & Sorcery
      Hellgate 3 books
      by Odom, Mel
      Primary Genre Science Fiction
      Hunter's League 4 books
      by Odom, Mel
      Primary Genre Science Fiction
      Age Level Young Adult (12-17)
      Lost Souls 2 books
      by Odom, Mel
      Primary Genre Fantasy
      Age Level Middle Grade (Ages 8-12)
      The Makaum War 3 books
      by Odom, Mel
      Primary Genre Science Fiction
      The Quest for the Trilogy 2 books
      by Odom, Mel
      Primary Genre Fantasy
      Rover 4 books
      by Odom, Mel
      Primary Genre Speculative Fiction
      The Threat from the Sea 3 books
      by Odom, Mel
      Primary Genre Heroic Fantasy / Sword & Sorcery
      Oona Crate Mystery 3 books
      by Odyssey, Shawn Thomas
      Primary Genre Fantasy
      Age Level Middle Grade (Ages 8-12)
      Cormac Mac Art 4 books
      by Offutt, Andrew J.
      Primary Genre Speculative Fiction
      War of the Gods on Earth 3 books
      by Offutt, Andrew J.
      Primary Genre Speculative Fiction
      War of the Wizards 3 books
      by Offutt, Andrew J.
      Primary Genre Heroic Fantasy / Sword & Sorcery
      The Hero Within 2 books
      by Ogando, Yeral E.
      Primary Genre Christian Fantasy
      Professor Odd 11 books
      by Ogawa, Goldeen
      Primary Genre Science Fiction
      Children of Earth on Last Chance 5 books
      by Ogden, Dennis
      Primary Genre Science Fiction
      Tales of the Magatama 2 books
      by Ogiwara, Noriko
      Primary Genre Speculative Fiction
      Age Level Young Adult (12-17)
      The Book of Gabriel 5 books
      by Oglesby, Ernest
      Primary Genre Action Adventure, Fantasy, Thriller
      Guardians of the Gods 2 books
      by Ogundiran, Tobi
      Primary Genre Action Adventure, Epic Fantasy
      The Floating World 2 books
      by Oh, Axie
      Primary Genre Epic Fantasy Romance, Heroic Fantasy / Sword & Sorcery, Science Fiction / Fantasy, Steampunk
      Age Level Young Adult (12-17)
      Neo Seoul 2 books
      by Oh, Axie
      Primary Genre Science Fiction
      Age Level Young Adult (12-17)
      Dragon King Chronicles 3 books
      by Oh, Ellen
      Primary Genre Fantasy
      Age Level Young Adult (12-17)
      Spirit Hunters 3 books
      by Oh, Ellen
      Primary Genre Speculative Fiction
      Age Level Kids (12 & Under)
      The Dream Keepers 3 books
      by Oko, Z.
      Primary Genre Fantasy
      Age Level Young Adult (12-17)
      Binti 3 books
      by Okorafor, Nnedi
      Primary Genre Science Fiction
      The Nsibidi Scripts 3 books
      by Okorafor, Nnedi
      Primary Genre Fantasy
      Age Level Young Adult (12-17)
      The Tainted Blood Duology 2 books
      by Okosun, Ehigbor
      Primary Genre Epic Fantasy, Heroic Fantasy / Sword & Sorcery, Women's Fiction, Historical