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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: 351–400 Total series: 1,008
      The Chronicles of Maggie Trent 3 books
      by O'Russell, Megan
      Primary Genre Fantasy
      Age Level Young Adult (12-17)
      Ena of Ilbrea 5 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)
      Nina Reilly 13 books
      by O'Shaughnessy, Perri
      Primary Genre Legal Thriller
      Detective John Lynch 1 book
      by O'Shea, Dan
      Primary Genre Police Procedural
      Blood Feud 4 books
      by O'Shea, Patti
      Primary Genre Paranormal Romance
      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
      The Paladin League 8 books
      by O'Shea, Patti
      Primary Genre Contemporary Romantic Suspense
      Colleen McCabe 3 books
      by O'Sullivan, Kathryn
      Primary Genre Mystery
      Soho Nights 3 books
      by O'Sullivan, Ronnie
      Primary Genre Suspense
      Agents of the Eye and Ear 3 books
      by O'Toole, Shawn
      Primary Genre Fantasy
      Molly Moccasins 61 books
      by O'Toole, Victoria Ryan
      Age Level Middle Grade (Ages 8-12)
      A Henry David Thoreau Mystery 3 books
      by Oak, B.B.
      Primary Genre Historical Mystery
      Ladies of Cascade Creek 2 books
      by Oakes, Annmarie
      Primary Genre Historical Romance
      Dinosaur Boy 2 books
      by Oakes, Cory Putman
      Age Level Middle Grade (Ages 8-12)
      Badge Boys 2 books
      by Oakes, Tara
      Kingsmen MC 4 books
      by Oakes, Tara
      Primary Genre Romance
      Slayers MC 3 books
      by Oakes, Tara
      Primary Genre Romance
      The Cranford Sisters 3 books
      by Oakley, Adelaide
      Primary Genre Historical Christian Romance
      Gypsy Brides 3 books
      by Oakley, Adelaide
      Primary Genre Historical Western
      Beautiful, Brazen Brightwells 5 books
      by Oakley, Beverley
      Primary Genre Historical Romance
      Daughters of Sin 6 books
      by Oakley, Beverley
      Primary Genre Historical Romance
      Fair Cyprians of London 6 books
      by Oakley, Beverley
      Primary Genre Historical Romance
      A Georgian Romance 2 books
      by Oakley, Beverley
      Primary Genre Historical Romance
      Hearts in Hiding 6 books
      by Oakley, Beverley
      Primary Genre Historical Romance
      A London Ladies in Peril Mystery 2 books
      by Oakley, Beverley
      Primary Genre Historical Romantic Suspense, Mystery
      Matchmaking Mischief Makers 2 books
      by Oakley, Beverley
      Primary Genre Historical Romance
      Scandalous 1 book
      by Oakley, Beverley
      Primary Genre Contemporary Romance, Historical Romantic Suspense
      The Dragonfate Games 5 books
      by Oakley, Hawke
      Primary Genre Contemporary Paranormal Romance
      Fairytale Mates 14 books
      by Oakley, Hawke
      Primary Genre Contemporary Paranormal Romance
      Pack of Brothers 6 books
      by Oakley, Hawke
      Primary Genre Paranormal Romance
      Pack of Heirs 6 books
      by Oakley, Hawke
      Primary Genre Paranormal Romance
      The Brides of Amrah Kingdom 1 book
      by Oakley, Natasha
      Primary Genre Contemporary Category Romance
      The Stepsisters 7 books
      by Oaks, Tina
      Age Level Young Adult (12-17)
      Regency Romps 2 books
      by Oaten, Ebony
      Primary Genre Historical Romance
      Unsuitable Suitors 4 books
      by Oaten, Ebony
      Primary Genre Historical Romance
      Ember 2 books
      by Oates, Carol
      Primary Genre Paranormal Romance
      Age Level Young Adult (12-17)
      Wonderland Quartet 3 books
      by Oates, Joyce Carol
      Bliss, Texas 4 books
      by Obenhaus, Mindy
      Primary Genre Contemporary Christian Category Romance
      Hope Crossing 6 books
      by Obenhaus, Mindy
      Primary Genre Christian, Contemporary Category Romance
      Legacy Ranch 3 books
      by Obenhaus, Mindy
      Primary Genre Contemporary Christian Category Romance
      Ouray, CO 4 books
      by Obenhaus, Mindy
      Primary Genre Contemporary Christian Category Romance
      Rocky Mountain Heroes 5 books
      by Obenhaus, Mindy
      Primary Genre Contemporary Christian Category Romance