60th Anniversary Edition. A strange sea monster suddenly appears on the lake… a fortune is unearthed from an old cannon…a valuable dinosaur egg is stolen. Who's responsible?Those seven junior geniuses - and their wild ideas! "Every time you Mad Scientists get mixed up in something, it means trouble!"cries the mayor of Mammoth Falls. Watch out as the seven junior geniuses of the Mad Scientists' Club turn the town upside down. Bertrand Brinley is well-known for his beloved tales of the Mad Scientists' Club, whose further antics can be found in The New Adventures of the Mad Scientists' Club, The Big Kerplop! and The Big Chunk of Ice. His books are now available for the Kindle, or in hardcover and there is also a paperback of the complete collection of stories.
