Nancy Drew Books By Carolyn Keene 17 books total 1 The Secret of the Old Clock 2 The Hidden Staircase 3 The Bungalow Mystery 4 The Mystery at Lilac Inn 5 The Secret of Shadow Ranch 6 The Secret of Red Gate Farm 7 The Clue in the Diary 10 Password to Larkspur Lane 20 The Clue in the Jewel Box 21 The Secret in the Old Attic 22 The Clue in the Crumbling Wall 25 The Ghost of Blackwood Hall 36 The Secret of the Golden Pavilion 37 The Clue in the Old Stagecoach 39 The Clue of the Dancing Puppet 40 The Moonstone Castle Mystery 41 The Clue of the Whistling Bagpipes