A hilarious chapter book based on the hit animated series Gravity Falls! At the moment when Mabel wins Waddles the pig at the Mystery Fair, Dipper ruins his chance to impress Wendy. But when Dipper finds a way to travel back in time and changes his fate with Wendy, Mabel's fate also changes--for the worse. Will Dipper and Mabel tweak time so they both leave the fair a winner? Will Mabel ever share a slice of pizza with her beloved Waddles again? Then, when a prehistoric creature snatches up Waddles, it's up to the Gravity Falls gang to save him! Readers will love this 112-page chapter book filled with black-and-white art from the show.