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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: 101–150 Total series: 286
      Wonderland Quartet 3 books
      by Oates, Joyce Carol
      Shark School 10 books
      by Ocean, Davy
      Primary Genre Action Adventure
      Age Level Chapter Books (Ages 7-10)
      Aldo Zelnick Comic Novels 13 books
      by Oceanak, Karla
      Age Level Kids (12 & Under)
      Year-By-Year 3 books
      by Oceanak, Karla
      Age Level Board Books (Ages 0-4)
      Preacher's Daughter 1 book
      by Ochse, Weston
      Primary Genre Fantasy
      The Sleepers War 1 book
      by Ochse, Weston
      Primary Genre Space Opera, Fantasy
      A Southern Scandal Novel 3 books
      by Octavia, Grace
      Asim the Awesome Possum 1 book
      by Oddo, Jennifer M.
      Age Level Middle Grade (Ages 8-12)
      Pet Vet 5 books
      by Odgers, Sally
      Age Level Chapter Books (Ages 7-10)
      The Identity Trilogy 3 books
      by Odom, Mel
      Might & Magic 1 book
      by Odom, Mel
      Primary Genre Fantasy
      Stark & Buchanan 1 book
      by Odom, Mel
      Primary Genre Western, Action Adventure, Literary, Mystery, Historical, Thriller
      The Wilds 1 book
      by Odom, Mel
      Primary Genre Fantasy
      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)
      Conan 1 book
      by Offutt, Andrew J.
      Primary Genre Fantasy
      Thieves' World 1 book
      by Offutt, Andrew J.
      Primary Genre Fantasy
      The Adventures of Bouragner Felpz 12 books
      by Ogawa, Goldeen
      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)
      Measle 5 books
      by Ogilvy, Ian
      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)
      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
      Pete Zendel 9 books
      by Ohagwu, Joy
      Primary Genre Christian
      She Knows Her God / Asia Bancroft 12 books
      by Ohagwu, Joy
      Primary Genre Christian
      Thorn Abbey 1 book
      by Ohlin, Nancy
      Primary Genre Horror
      Age Level Young Adult (12-17)
      Animal Friends 12 books
      by Oke, Janette
      Primary Genre Christian
      Age Level Chapter Books (Ages 7-10)
      When Hope Calls 3 books
      by Oke, Janette
      Primary Genre Christian
      Acts of Faith 3 books
      by Oke, Janette; Bunn, T. Davis
      Primary Genre Christian, Historical
      Onyeka 2 books
      by Okogwu, Tola
      Age Level Kids (12 & Under)
      The Dead Years 9 books
      by Olah, Jeff
      Primary Genre Dystopian, Thriller
      The Last Outbreak 5 books
      by Olah, Jeff
      Primary Genre Dystopian, Thriller
      2048 4 books
      by Olasky, Marvin
      Echoes of Eden 3 books
      by Olasky, Marvin
      Adventures in the American Revolution 4 books
      by Olasky, Susan
      Age Level Middle Grade (Ages 8-12)
      An Ivan Duvakin Novel 1 book
      by Olcott, Anthony
      Primary Genre Suspense
      A Manny Decker Novel 1 book
      by Olden, Marc
      Primary Genre Mystery
      Star Wars: A Han and Lando Novel 1 book
      by Older, Daniel Jose
      Primary Genre Space Opera
      Silver Blades: Figure Eights 8 books
      by Older, Effin
      Age Level Middle Grade (Ages 8-12)
      Silver Blades: Figure Eights Special Editions 2 books
      by Older, Effin
      Age Level Middle Grade (Ages 8-12)
      Black Pearl Ponies 5 books
      by Oldfield, Jenny
      Age Level Kids (12 & Under)
      Dreamseeker 2 books
      by Oldfield, Jenny
      Age Level Kids (12 & Under)
      Horses of Half-Moon Ranch: Special 3 books
      by Oldfield, Jenny
      Age Level Kids (12 & Under)
      The Horses of Half Moon Ranch 18 books
      by Oldfield, Jenny
      Age Level Kids (12 & Under)
      Muddy Paws 4 books
      by Oldfield, Jenny
      Age Level Kids (12 & Under)
      Totally Tom 2 books
      by Oldfield, Jenny
      Age Level Kids (12 & Under)
      Wild Horses of Half-Moon Ranch 3 books
      by Oldfield, Jenny
      Age Level Kids (12 & Under)