Diary of a Wimpy Kid: Dog Days (Book 4)Book 4 in the phenomenally successful Diary of a Wimpy Kid series by Jeff Kinney. It's the summer holidays, the weather's great, and all the kids are having fun outside. So where's Greg Heffley? Inside his house, playing video games with the shades drawn. Greg, a self confessed 'indoor person,' is living out his ultimate summer fantasy no responsibilities and no rules. But Greg's mom has a different vision for an ideal summer . . . one packed with