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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: 751–800 Total series: 1,008
      Black Angel Chronicles 3 books
      by Orlando, Kristen
      Primary Genre Romance
      Age Level Young Adult (12-17)
      A Last Laff Mystery 2 books
      by Orloff, Alan
      Primary Genre Mystery
      A Billie Quinn Case 2 books
      by Orloff, Erica
      Primary Genre Category Romantic Suspense
      I Wanna 3 books
      by Orloff, Karen Kaufman
      Age Level Picture Books
      Billy Blaster 12 books
      by Orme, David
      Primary Genre Speculative Fiction
      Age Level Middle Grade (Ages 8-12)
      David Mallin 14 books
      by Ormerod, Roger
      Primary Genre Suspense
      A Richard and Amelia Patton Investigation 9 books
      by Ormerod, Roger
      Primary Genre Suspense
      Time Elevator 3 books
      by Ormondroyd, Edward
      Water and the Wild 2 books
      by Ormsbee, K.E.
      Primary Genre Fantasy
      Age Level Middle Grade (Ages 8-12)
      Commission 1 book
      by Ormsby, Donte
      Primary Genre Fantasy
      Black Nether 3 books
      by Orona, Michael
      Primary Genre Science Fiction
      A Josephine Stuart Mystery 9 books
      by Oroz, Joyce
      Primary Genre Cozy Mystery
      Riverton Road 4 books
      by Orr, Alice
      Primary Genre Romantic Suspense
      A Family History Mystery 5 books
      by Orr, Elaine
      Primary Genre Cozy Mystery
      A Jolie Gentil Cozy Mystery 16 books
      by Orr, Elaine
      Primary Genre Cozy Mystery
      A Logland Mystery 3 books
      by Orr, Elaine
      Primary Genre Suspense
      Mildred Mistletoe Christmas Stories 3 books
      by Orr, Elaine
      A River's Edge Cozy Mystery 3 books
      by Orr, Elaine
      Primary Genre Cozy Mystery
      Shore Shenanigans 1 book
      by Orr, Elaine
      Primary Genre Cozy Mystery, Private Investigator, Thriller
      A Riley Ellison Mystery 4 books
      by Orr, Jill
      Primary Genre Cozy Mystery
      Rake's Handbook 3 books
      by Orr, Sally
      Primary Genre Historical Romance
      Nim 2 books
      by Orr, Wendy
      Primary Genre Action Adventure
      Age Level Chapter Books (Ages 7-10)
      Rainbow Street Shelter 6 books
      by Orr, Wendy
      Age Level Chapter Books (Ages 7-10)
      Keiko the Fairy 3 books
      by Orsak, Lane Rockford
      Age Level Kids (12 & Under)
      Fall From Grace 3 books
      by Orsoff, Beth
      Primary Genre Psychological Suspense, Women's Fiction, Thriller
      Vlad 2 books
      by Orsoff, Beth
      Faith Builders 1 book
      by Ortberg, John
      Saving Chupie 1 book
      by Ortiz, Amparo
      Primary Genre Action Adventure, Graphic Novel
      Age Level Kids (12 & Under)
      Fed and the China Doll 2 books
      by Ortloff, Julia Ward
      The Pearl Island Trilogy 3 books
      by Ortolon, Julie
      Primary Genre Contemporary Romance
      Perfect Trilogy 3 books
      by Ortolon, Julie
      Primary Genre Contemporary Romance
      Between Two Evils 3 books
      by Orton, D.L.
      Primary Genre Science Fiction Romance
      Madders of Time 3 books
      by Orton, D.L.
      Primary Genre Mystery, Science Fiction
      Vault of Heaven 2 books
      by Orullian, Peter
      Primary Genre Epic Fantasy
      Callahan's Clan 4 books
      by Orwig, Sara
      Primary Genre Contemporary Category Romance
      Comanche 3 books
      by Orwig, Sara
      Primary Genre Historical Romance
      Lone Star Legends 6 books
      by Orwig, Sara
      Primary Genre Contemporary Category Romance
      Lone Star Legacy 5 books
      by Orwig, Sara
      Primary Genre Contemporary Category Romance
      Platinum Grooms 3 books
      by Orwig, Sara
      Primary Genre Contemporary Category Romance
      Related Books 3 books
      by Orwig, Sara
      Primary Genre Historical Romance
      Return of the Texas Heirs 2 books
      by Orwig, Sara
      Primary Genre Contemporary Category Romance
      Southwestern Saga 3 books
      by Orwig, Sara
      Primary Genre Historical Romance
      Stallion Pass 7 books
      by Orwig, Sara
      Primary Genre Contemporary Category Romance
      Stetsons & C.E.O.'s 7 books
      by Orwig, Sara
      Primary Genre Contemporary Category Romance
      Texas Promises 2 books
      by Orwig, Sara
      Primary Genre Contemporary Category Romance
      Texas Twins 2 books
      by Orwig, Sara
      Primary Genre Contemporary Category Romance
      The Wealthy Ransomes 3 books
      by Orwig, Sara
      Primary Genre Contemporary Category Romance
      Defenders of the Overworld 4 books
      by Osa, Nancy
      Primary Genre Action Adventure
      Age Level Young Adult (12-17)
      Mirror World 4 books
      by Osadchuk, Alexey
      Primary Genre Science Fiction, Fantasy
      Underdog 6 books
      by Osadchuk, Alexey
      Primary Genre Science Fiction, Fantasy
      Age Level Young Adult (12-17)