More Adventures of the Great Brain

Has Tom, a.k.a. the Great Brain, given up his con-artist ways for a bicycle?  Not for long.  Soon the Great Brain is back to his old tricks, swindling and trading, even convincing the whole town there's a prehistoric monster on the loose.  But when someone robs the bank, even the police are stumped.  Can the Great Brain solve the crime and put the crooks behind bars?