At a Moody family yard sale, Stink uncovers a dusty box of old comic books about a hero he has never even heard of: Super Gecko! What could be more fantastic than a part-man, part-lizard with incredible superpowers? Even better, Super Gecko just happens to be making a massive comeback. Stink quickly becomes his number-one fan, reading every comic he can find. But then the impossible happens. Stink starts receiving mysterious notes signed by Super Gecko himself! But Super Gecko is not actually real, is he? Using his newly acquired superpowers of science and deduction from the Saturday Science Club, Stink puts his brain to the test. Can he figure out who is really writing these secret letters? Grab your cape and join Stink as he transforms into a super sleuth in this action-packed mystery full of vintage comics and forensic fun!