Diary of a Wimpy Kid: Dog Days (Book 4)
- Publisher: Penguin
- ISBN: 9780141331973
- Ex Tax: €8.60
Diary of a Wimpy Kid: Dog Days is a novel written by American author and cartoonist Jeff Kinney, and is the fourth book in the Diary of a Wimpy Kid series. It was released on October 12, 2009 in the USA and October 13, 2009, in Canada.