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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: 1–50 Total series: 1,008
      The Call 2 books
      by O Guilin, Peadar
      Primary Genre Action Adventure
      Age Level Young Adult (12-17)
      The Shimuran Legacy 2 books
      by O'Bannon, Ann
      DeWinter's Song 3 books
      by O'Banyon, Constance
      Primary Genre Historical Romance
      Half-Moon Ranch 4 books
      by O'Banyon, Constance
      Primary Genre Historical Romance
      Hawk's Crest 3 books
      by O'Banyon, Constance
      Primary Genre Historical Romance
      Once Upon... 9 books
      by O'Banyon, Constance
      Primary Genre Historical Romance
      Promises 3 books
      by O'Banyon, Constance
      Primary Genre Historical Romance
      Related 5 books
      by O'Banyon, Constance
      Primary Genre Historical Romance
      Savage Lagonda 2 books
      by O'Banyon, Constance
      Primary Genre Historical Romance
      Savage Seasons of Blackfoot 4 books
      by O'Banyon, Constance
      Primary Genre Historical Romance
      Secret Fires 6 books
      by O'Banyon, Constance
      Primary Genre Historical Romance
      Tausrat 4 books
      by O'Banyon, Constance
      Primary Genre Historical Romance
      Vicente 3 books
      by O'Banyon, Constance
      Primary Genre Historical Romance
      An Estela Nogales Mystery 7 books
      by O'Boyle, Cherie
      Primary Genre Cozy Mystery
      A Winslow & Fitzgerald Mystery 2 books
      by O'Boyle, Cherie
      Primary Genre Amateur Sleuth Mystery, Historical
      Aubrey/Maturin 21 books
      by O'Brian, Patrick
      Primary Genre Action Adventure, Historical
      Undead Chronicles 1 book
      by O'Brian, Patrick J.
      Primary Genre Dystopian, Horror, Thriller
      West Baden Murders 5 books
      by O'Brian, Patrick J.
      Primary Genre Suspense
      The Faringdon Scandals 3 books
      by O'Brien, Anne
      Primary Genre Historical Category Romance
      Heart's Compass 4 books
      by O'Brien, Brooke
      Primary Genre Romance
      Men of Blaze 4 books
      by O'Brien, Brooke
      Rebels Havoc 5 books
      by O'Brien, Brooke
      Primary Genre Contemporary Romance
      Tattered Heart 2 books
      by O'Brien, Brooke
      Primary Genre Contemporary Romance
      Birthmarked 3 books
      by O'Brien, Caragh M.
      Primary Genre Science Fiction
      Age Level Young Adult (12-17)
      Vault of Dreamers 3 books
      by O'Brien, Caragh M.
      Primary Genre Speculative Fiction
      Age Level Young Adult (12-17)
      Anne Cartier 9 books
      by O'Brien, Charles
      Primary Genre Historical Mystery
      A Gilded Age Mystery 3 books
      by O'Brien, Charles
      Primary Genre Cozy Historical Mystery
      The Country Girls 3 books
      by O'Brien, Edna
      Primary Genre Contemporary Romance
      The Anna Kelleher Chronicles 1 book
      by O'Brien, Emerald
      Primary Genre Fantasy
      An Avery Hart Mystery 3 books
      by O'Brien, Emerald
      Primary Genre Suspense
      Darkness Follows 2 books
      by O'Brien, Emerald
      Primary Genre Police Procedural
      Knox and Sheppard 5 books
      by O'Brien, Emerald
      Primary Genre Police Procedural
      A Skull Serial Killer Thriller 4 books
      by O'Brien, Emerald
      Primary Genre Crime, Psychological Suspense, Thriller
      The Duaredheim Staff Saga 4 books
      by O'Brien, Erik D.J.
      Primary Genre Speculative Fiction
      Borough 1 book
      by O'Brien, Gerry
      Primary Genre Fantasy
      Granger's Girl 4 books
      by O'Brien, Jana
      Primary Genre Romance
      A Cassandra Cross Cozy Mystery 1 book
      by O'Brien, Jane
      Primary Genre Cozy Amateur Sleuth Mystery
      The Lighthouse Trilogy 3 books
      by O'Brien, Jane
      Primary Genre Christian
      A Molly Ryan Mystery 3 books
      by O'Brien, Jane
      Primary Genre Cozy Mystery
      A Samantha Degan Mystery 5 books
      by O'Brien, Jane
      Primary Genre Cozy Mystery
      The Unforgettables 5 books
      by O'Brien, Jane
      Primary Genre Romance
      The White Pine Trilogy 3 books
      by O'Brien, Jane
      Primary Genre Romance
      Detective Gaby Darin 6 books
      by O'Brien, Jenny
      Primary Genre Police Procedural
      Irish Romance 2 books
      by O'Brien, Jenny
      Primary Genre Contemporary Romance
      Alfie Green 9 books
      by O'Brien, Joe
      Primary Genre Fantasy
      Age Level Middle Grade (Ages 8-12)
      Danny Wilde 3 books
      by O'Brien, Joe
      Age Level Middle Grade (Ages 8-12)
      A Jack Christie Novel 2 books
      by O'Brien, Johnny
      Primary Genre Suspense
      Age Level Middle Grade (Ages 8-12)
      Cowboy Country 4 books
      by O'Brien, Kathleen
      Primary Genre Contemporary Category Romance
      An Ellie Pryce Mystery
      by O'Brien, Kathleen
      Four Seasons in Firefly Glen 5 books
      by O'Brien, Kathleen
      Primary Genre Contemporary Category Romance