''The Jungle Pyramid'' is Volume 56 in the original ''

The Hardy Boys The Hardy Boys, brothers Frank and Joe Hardy, are fictional characters who appear in several mystery series for children and teens. The series revolves around teenagers who are amateur sleuths, solving cases that stumped their adult counterpa ...

'' series of mystery books for children and teens published by

Grosset & Dunlap Grosset & Dunlap is a New York City-based publishing house founded in 1898. The company was purchased by G. P. Putnam's Sons in 1982 and today is part of Penguin Random House through its subsidiary Penguin Group. Today, through the Penguin Gro ...

. Written by Vincent Buranelli for the

Stratemeyer Syndicate The Stratemeyer Syndicate was a publishing company that produced a number of mystery book series for children, including Nancy Drew, The Hardy Boys, the various Tom Swift series, the Bobbsey Twins, the Rover Boys, and others. They published and ...

in 1977, it was published under the pseudonym

Franklin W. Dixon Franklin W. Dixon is the pen name used by a variety of different authors who were part of a team that wrote The Hardy Boys novels for the Stratemeyer Syndicate (now owned by Simon & Schuster). Dixon was also the writer attributed for the ''Ted ...

Plot summary

Somebody steals gold from the Wakefield Mint without even triggering the alarm. The Hardy Boys must track the gold down. Then, after that, the Early Art Museum is robbed of a gold artifact. Their main suspect is a man named Pedro Zemog, who ran out of the museum after the alarm was triggered. A strange note with Zemog's name on it sends them to Zurich, where somebody claims to know about the Wakefield gold theft. Then another note with Zemog's name on it sends the boys to Mexico City, where they discover a pyramid in the jungle. In the pyramid are many gold coins and sculptures. Afterward,

References

The Hardy Boys books 1977 American novels 1977 children's books Novels set in Mexico Grosset & Dunlap books {{1970s-ya-novel-stub