Underground Rivers - University of New Mexico

Chapter 19 -- The Stratemeyer Boys Club Serials
In The Hardy Boys, The Mark on the Door
(1934), Frank and Joe investigate a mystery
more dangerous than any before. A mark on
the door leads the boys to Mexico in search for
a kidnapped scientist. In following the clues to
a gang of desperados, they discover the deadly
secret. To escape from the mountain hideout,
the Hardys are swept towards their doom in the
swirling currents of an underground river.
Roy Rockwood
Roy Rockwood was the house pseudonym for Stratemeyer's 20book
Bomba series, 1905-1937, tales of a lad dwelling deep in the
Amazon with a half-demented professor.
In Bomba the Jungle Boy, The Underground River (1930), after a
jaguar attack and an opera, Bomba and friend stumble into a deep
cavern through which flows an underground river. Caught in a
subterranean flood, the two discover a series of shelves above the
tunnel floor and step by step, the two climb as the relentless
waters pursue.
As any Boys Club would like an author with the name Roy
Rockwood, the authorship turned out the Dave Fearless series,
the Dave Dashaway series and the Speedwell Boys series.
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In Cave Trap (1996), the Hardys join a team of
spelunkers in Cathedral Cave State Park, a
Mammoth Cave surrogate. Stumbling upon an
uncharted cavern, the boys encounter
murderers, ancient booby traps, ill health, an
enemy among the team and a vicious
whirlpool.
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