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The Demon's Den (Hardy Boys, #81)
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The Demon's Den (Hardy Boys #81)

3.77  ·  Rating Details ·  128 Ratings  ·  4 Reviews
The Hardy boys, vacationing in Vermont, offer to help the police locate a missing camper and find themselves involved with a doomsday cult, a deadly strain of bacteria, and possibly the devil.
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Published by Minstrel (first published 1984)
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Riana
Feb 13, 2014 Riana rated it it was ok
Frank and Joe Hardy are out fishing with their friends at a holiday cottage when they notice an unusual commotion at a local camping site and decide to investigate. Meanwhile, their father, the famous detective Fenton Hardy is trying to find a missing scientist who might be working on a dangerous project to create super athletes. The two boys travel the Canadian railways in attempt to get to the bottom of both cases!

I have clearly outgrown this youth detective series that I have enjoyed so thoro
...more
Sonja
May 26, 2013 Sonja rated it really liked it
Shelves: bookcrossing
Good book and easy to read. I think this was best of these The Hardy boys -books which I have read.
Cws
JMAR5-Dix
Haider Abbas
May 25, 2010 Haider Abbas rated it it was amazing
amazing cases of frank and joe love this one ......
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1879
Franklin W. Dixon is the pen name used by a variety of different authors (Leslie McFarlane, a Canadian author, being the first) who wrote The Hardy Boys novels for the Stratemeyer Syndicate (now owned by Simon & Schuster). This pseudonym was also used for the Ted Scott Flying Stories series.
More about Franklin W. Dixon...

Other Books in the Series

Hardy Boys (1 - 10 of 190 books)
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  • The House on the Cliff (Hardy Boys, #2)
  • The Secret of the Old Mill (Hardy Boys, #3)
  • The Missing Chums (Hardy Boys, #4)
  • Hunting for Hidden Gold (Hardy Boys, #5)
  • The Shore Road Mystery (Hardy Boys, #6)
  • The Secret of the Caves (Hardy Boys, #7)
  • The Mystery of Cabin Island (Hardy Boys, #8)
  • The Great Airport Mystery (Hardy Boys, #9)
  • What Happened at Midnight (Hardy Boys, #10)

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