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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: 451–500 Total series: 1,008
      Oona Crate Mystery 3 books
      by Odyssey, Shawn Thomas
      Primary Genre Fantasy
      Age Level Middle Grade (Ages 8-12)
      Archaeolojesters 3 books
      by Oertel, Andreas
      Age Level Middle Grade (Ages 8-12)
      Shenanigans 2 books
      by Oertel, Andreas
      Age Level Middle Grade (Ages 8-12)
      Anjou Trilogy 3 books
      by Of Kent, Hrh Princess Michael
      Primary Genre Historical Romance
      Todd & Georgine 2 books
      by Offord, Lenore Glen
      Primary Genre Mystery
      Conan 1 book
      by Offutt, Andrew J.
      Primary Genre Fantasy
      Cormac Mac Art 4 books
      by Offutt, Andrew J.
      Primary Genre Speculative Fiction
      Thieves' World 1 book
      by Offutt, Andrew J.
      Primary Genre Fantasy
      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
      The Adventures of Bouragner Felpz 12 books
      by Ogawa, Goldeen
      Professor Odd 11 books
      by Ogawa, Goldeen
      Primary Genre Science Fiction
      Edgar & Ellen 9 books
      by Ogden, Charles
      Age Level Middle Grade (Ages 8-12)
      Nodyssey 3 books
      by Ogden, Charles
      Age Level Middle Grade (Ages 8-12)
      Children of Earth on Last Chance 5 books
      by Ogden, Dennis
      Primary Genre Science Fiction
      Jennie 2 books
      by Ogilvie, Elisabeth
      Primary Genre Romantic Suspense
      Lovers 3 books
      by Ogilvie, Elisabeth
      Primary Genre Romantic Suspense
      The Tide Trilogy 3 books
      by Ogilvie, Elisabeth
      Primary Genre Romantic Suspense
      Measle 5 books
      by Ogilvy, Ian
      Tales of the Magatama 2 books
      by Ogiwara, Noriko
      Primary Genre Speculative Fiction
      Age Level Young Adult (12-17)
      Four Eyes 2 books
      by Ogle, Rex
      Primary Genre Graphic Novel
      Age Level Kids (12 & Under)
      The Supernatural Society 3 books
      by Ogle, Rex
      Primary Genre Horror
      Age Level Middle Grade (Ages 8-12)
      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)
      An XOXO Novel 2 books
      by Oh, Axie
      Primary Genre Contemporary Romance
      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)
      After 4 books
      by Ohagwu, Joy
      Primary Genre Contemporary Christian Romance
      Elliot-Kings 4 books
      by Ohagwu, Joy
      Primary Genre Christian
      The Excellence Club 1 book
      by Ohagwu, Joy
      Primary Genre Christian
      New Beginnings 2 books
      by Ohagwu, Joy
      Primary Genre Christian
      The New Rulebook 10 books
      by Ohagwu, Joy
      Primary Genre Christian
      Pete Zendel 9 books
      by Ohagwu, Joy
      Primary Genre Christian
      Pleasant Hearts 4 books
      by Ohagwu, Joy
      Primary Genre Christian
      She Knows Her God / Asia Bancroft 12 books
      by Ohagwu, Joy
      Primary Genre Christian
      Discovering Love 3 books
      by Ohara, Ra'chael
      Primary Genre Romance
      Thorn Abbey 1 book
      by Ohlin, Nancy
      Primary Genre Horror
      Age Level Young Adult (12-17)
      Inspector Frederika Bergman 5 books
      by Ohlsson, Kristina
      Primary Genre Police Procedural
      Animal Friends 12 books
      by Oke, Janette
      Primary Genre Christian
      Age Level Chapter Books (Ages 7-10)
      Canadian West 6 books
      by Oke, Janette
      Primary Genre Historical Christian Romance
      Love Comes Softly 8 books
      by Oke, Janette
      Primary Genre Historical Christian Romance
      A Prairie Legacy 4 books
      by Oke, Janette
      Primary Genre Historical Christian Romance
      Seasons of the Heart 4 books
      by Oke, Janette
      Primary Genre Historical Christian Romance
      When Hope Calls 3 books
      by Oke, Janette
      Primary Genre Christian
      The Women of the West 12 books
      by Oke, Janette
      Primary Genre Historical Christian Romance
      Acts of Faith 3 books
      by Oke, Janette; Bunn, T. Davis
      Primary Genre Christian, Historical
      Related Books 3 books
      by Oke, Janette; Bunn, T. Davis
      Primary Genre Historical Christian Romance