With a garbage thief on the loose in New Mouse City who is stealing organic waste, Hercule and Geronimo enlist the head of the Recycling Center to help, then discover that the thief has good intentions.

The pumpkin head mystery: Every fall at the Beckett farm, visitors come to buy pumpkins and go on hayrides. Best of all, Henry, Jessie, Violet, and Benny get to dress up in costumes and help with the fun. But something is haunting the farm! The cupcake caper : People line up around the block to buy Mama Tova's cupcakes. But who could be trying to steal her secret recipe? The clue in the recycling bin : The Aldens are volunteering at the local recycling...

"In graphic novel format, follows Max Axiom as he uses the engineering process to design and build a recycling center"--