Keep a few clues hidden under the cover of The Hardy Boys...

Vintage 1978 The Wailing Siren Mystery by Franklin W. Dixon Hollow Book Secret Safe features:

  • Magnetic closure so your secrets will keep secret (even when your book is upright)
  • Precision handcrafted secret safe opening of 3 1/2 inches wide by 5 7/8 long by 1/2 deep
  • Vintage worn classic cover illustration of Frank and Joe in scene from story with title/author on blue spine
  • Pages secured with archival bookbinding glue (to last for all chapters of your life and beyond)
  • Original endpapers with black and white illustrations of Frank and Joe on their adventures, lining interior
  • Personally hand-wrapped and ready-to-gift in our brown kraft paper tied up with red & white string, topped off with our signature Secret Safe Books tag
  • Library card gift note upon request: We'll date stamp and handwrite your giftee's name on a library checkout card. First add your book to cart. Then click "View Cart" and type into Note box: a) Your giftee's name b) Date of gifting to stamp c) Your message
  • Free 2 - 3 day USA Priority Mail Shipping, Worldwide/Express shipping info here


Cool surprise gift for detectives young and old!
(Accessories, not included).

Shop more Hardy Boys & Nancy Drew here and in our Etsy Shop.
Questions or Requests? We're just an e-mail away.
Ask Co-owner Kara: Kara@SecretSafeBooks.com
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  • Stock:
$39.99