I'm going to guess this one (and the sequels) would be good for the 10-12 year range. This first book in the series is a seriously funny "how-to" guide whereupon our author, Vordak the Incomprehensible, teaches us how to become an evil villain and take over the world. Instructions include how to ...
"So many evil plans, so little time!" This time Vordak designs an "Abominable Age-Reduction Ray" so that he can be younger and in better shape to RULE THE WORLD! Unfortunately, his machine "overshoots his age target" and he's 13 again and forced to go to Farding Jr. High (thanks to a snoopy neigh...