The original Hardy Boys series
29. The Secret of the Lost Tunnel
   
         
   

Original: 1950, 210 pages

Revised: 1968, 174 pages

Revision type: Same story, same writing

Cover art

Volume 29
1950

Volume 29
1968
   
      Plot summary    
   
Coming soon
   
      Comparison of original and revised editions    
   
Coming soon
   
      Notes    
   
Coming soon
   
         
   

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hbos29.html - last updated August 14/02