A true story from Raina Telgemeier, the #1 New York Times bestselling,multiple award-winning author of Smile, Sisters, Drama,and Ghosts!Raina wakes up one night with a terrible upset stomach. Her mom hasone, too, so it's probably just a bug. Raina eventually returnsto school, where she's dealing with the usual highs and lows: friends,not-friends, and classmates who think the school year isjust one long gross-out session. It soon becomes clear that Raina'stummy trouble isn't going away... and it