Diary of a Wimpy Kid: Dog Days is the super funny fourth title in the highly-illustrated, bestselling and award-winning Diary of a Wimpy Kid series by Jeff Kinney. Perfect for both boys and girls of 8+, reluctant readers and all the millions of devoted Wimpy Kid fans out there. Dog Days is also a major motion picture and box office smash. The fourth mega-selling instalment in the hilarious Diary of a Wimpy Kid series — now in a fantastic book & CD format with removable book. Perfect as a gift for holidays and travelling! The way I like to spend my summer holidays is in front of the TV, playing video games with the curtains closed and the light turned off.