I recall a series of young adult or children book, but cannot find the name about a group of boys who solved a detective club of sorts. They solved mysteries or other problems in their community.

  • In one book, they helped solve a case involving a missing treasure that was placed in the barrel of a cannon.
  • In another book, they bought a submarine, by bidding down instead of up, and used it to explore a local lake.
  • In another book, they helped locate a lost parachute jumper.

Does anyone know the name of this series?

  • There's a Hardy Boys story involving a cannon and a diving expedition, but it's not exactly what you describe. Does Hardy Boys in general, or Three Investigators, sound at all familiar to you?
    – Rand al'Thor
    Oct 29, 2019 at 7:50
  • No, it doesn't seem to be that series. I think the series I am looking for only had about 4-6 books. In the cannon story, they were searching for something stolen, and realized that some thief had thrown it into the barrel of a cannon in town square before it was filled with concrete and the money or treasure was there for many years.
    – Village
    Oct 29, 2019 at 11:09

1 Answer 1


The Mad Scientists' Club series by Bertrand R. Brinley

The Mad Scientists' Club:

A strange sea monster suddenly appears on Strawberry Lake, a fortune is unearthed from an old cannon and a valuable dinosaur egg is stolen. Who's responsible? Those seven junior geniuses -- and their wild ideas. Watch out as the Mad Scientists' Club turns the town of Mammoth Falls upside down!

Quote from the book:

“You mean you think the bank robber hid the money in the cannon, and then before he could get it out again the Town Council sent a crew out there to plug up the barrel with cement?

The New Adventures of the Mad Scientists' Club:

A secret cavern becomes the perfect spot to restore a midget submarine, bank robbers must be apprehended, a flying sorcerer looms over Mammoth Falls and that's just the beginning of five more mad, mad MAD adventures!!

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