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      Multi-Author Book Series

      Browse collaborative and multi-author book series with shared worlds, recurring characters, and connected stories.

      Browse: Multi-author series Showing: 2,351–2,400 Total series: 3,210
      Rocky Mountain Magic 3 books
      Primary Genre Paranormal Category Romance
      Rocky Mountain Rescue 3 books
      Primary Genre Category Romantic Suspense
      Rocky Mountain Romances 7 books
      Primary Genre Historical Romance
      Rodeo Knights 13 books
      Primary Genre Contemporary Romance
      Rogue River 4 books
      Primary Genre Romantic Suspense
      Rogue Trooper 3 books
      Primary Genre Science Fiction
      Rogue Vows 2 books
      Primary Genre Police Procedural, Romantic Suspense, Mystery
      Rogue Warrior 15 books
      Primary Genre Suspense
      Rogue Winter 2 books
      Primary Genre Romantic Suspense, Mystery
      The Rogues 4 books
      Primary Genre Heroic Fantasy / Sword & Sorcery
      Rogues & Rebels 2 books
      Primary Genre Contemporary Category Romance
      Rogues Across Time 5 books
      Primary Genre Category Romance
      Rollercoaster Tycoon 6 books
      Age Level Middle Grade (Ages 8-12)
      Romance at the Gilded Age Resorts 9 books
      Primary Genre Historical Christian Romance
      Romance on the Orient Express 2 books
      Primary Genre Historical Christian Romance
      Romancing the Crown 12 books
      Primary Genre Contemporary Category Romantic Suspense
      Romancing the Rink 4 books
      Primary Genre Contemporary Romance
      Romancing the Weavers 11 books
      Primary Genre Historical Romance
      Romantic Getaways 4 books
      Primary Genre Contemporary Category Romance
      Romantic Traditions 9 books
      Primary Genre Contemporary Category Romance
      Romeo 2 books
      Age Level Middle Grade (Ages 8-12)
      Rookie K-9 Unit 8 books
      Primary Genre Contemporary Christian Category Romantic Suspense
      Roommates 20 books
      Age Level Young Adult (12-17)
      Roswell 11 books
      Primary Genre Science Fiction
      Age Level Young Adult (12-17)
      Rotten Apple 2 books
      Primary Genre Horror
      Age Level Middle Grade (Ages 8-12)
      Royal and Ruthless 7 books
      Primary Genre Contemporary Category Romance
      Royal Baby Collection 6 books
      Primary Genre Contemporary Romance
      Royal Christmas at Seattle General 4 books
      Primary Genre Contemporary Category Romance
      The Royal Diaries 20 books
      Primary Genre Historical
      Age Level Middle Grade (Ages 8-12)
      Royal Holiday 4 books
      Primary Genre Contemporary Romance
      Royal House of Saene 8 books
      Royal House of Shadows 4 books
      Primary Genre Paranormal Category Romance
      The Royal House of Karedes 8 books
      Primary Genre Contemporary Category Romance
      The Royal House of Niroli 9 books
      Primary Genre Contemporary Category Romance
      Royal Secrets 2 books
      Primary Genre Contemporary Category Romance
      Royal Secrets 6 books
      Primary Genre Contemporary Romance
      Royal Spring Babies 2 books
      Primary Genre Contemporary Category Romance
      Royal Wedding Invitations 4 books
      Primary Genre Contemporary Romance
      The Royal Wedding 6 books
      Primary Genre Contemporary Romance
      Royal York Hospital 6 books
      Primary Genre Contemporary Romance
      Royally Tempted 3 books
      Primary Genre Contemporary Category Romance
      Royally Wed 8 books
      Primary Genre Contemporary Category Romance
      Rubbadubbers 4 books
      Age Level Kids (12 & Under)
      Ruby 3 books
      Primary Genre Christian
      Age Level Beginning Readers (Ages 5-7)
      Rugrats 79 books
      Age Level Kids (12 & Under)
      Rugrats (Numbered) 24 books
      Age Level Kids (12 & Under)
      Rugrats (Ready-to-Read) 5 books
      Age Level Beginning Readers (Ages 5-7)
      Rugrats Chapter Books 15 books
      Age Level Chapter Books (Ages 7-10)
      The Rugrats Files 5 books
      Age Level Middle Grade (Ages 8-12)
      Rugrats Go Wild 1 book
      Primary Genre Action Adventure
      Age Level Picture Books