After their latest quest, Fart, Pan, Moxie, and TickTock return to the Great and Powerful Kevin to claim their reward - a chance for Pan to see her mother, who died many years ago. But bringing back Pans mom seems impossible. Is Kevin full of hot air? When our heroes sniff out the truth behind his secret plans, a terrifying danger is unleashed, sending the friends on a nail-biting journey. Will their nose for trouble take them down for good? Or will they finally prove that they deserve the sweet smell of success? In this epic conclusion to the first four books in the Fart Quest series, Fart and friends discover that a true hero is not measured in the sum of their mistakes. But in the difference they make in spite of them.