When the Heffleys agree to spend summer break with both Mum's and Dad's relative at the same time, they have to figure out how to be in two places at once. With Greg caught in the middle, can the Heffleys pull off the ultimate scheme? Or will their vacation turn into a hilarious hot mess? This sidesplittingly relatable summer story is the funniest Wimpy Kid book yet! WHAT'S IN DIARY OF A WIMPY KID? 50% words, 50% cartoons, 100% hilarious! Stories that all readers can't wait to get their hands on Laughter guaranteed!