Fast, free shipping. Reduced rate Priority shipping available.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 8: Nancy's Mysterious Letter 9: The Sign of the Twisted Candles 10: Password to Larkspur Lane