A foul stench is taking over Swamp Gas Alley, and it is definitely not natural. When Calvin and his loyal beagle, Pudge, decide to take a simple shortcut, they plunge headfirst into a bizarre mystery. The local frogs are organizing, bubbling swamps are following eerie patterns, and an unbearable smell is creeping toward town. Someone, or something, is orchestrating a massive amphibious uprising. Calvin and his canine best friend must trace the stench to its source before their entire town is overrun by a slimy, stinky takeover. Packed with clever clues, hilarious animal antics, and just the right amount of gross-out humor, this fast-paced middle-grade adventure will keep you guessing until the very end. Grab your nose plugs and get ready to uncover the truth behind the amphibious rebellion of the century. You will never look at a frog the same way again.