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!! This is book three in the Mad Scientists' Club series.
A secret cavern becomes the perfect spot to restore a midget submarine, bank robbers must be apprehended, a flying sorcerer looms over Mammoth Falls a...
