<Tr> <Th> ISBN </Th> <Td> 978 - 0 - 8109 - 8391 - 5 </Td> </Tr> <Tr> <Th> Preceded by </Th> <Td> The Last Straw </Td> </Tr> <Tr> <Th> Followed by </Th> <Td> The Ugly Truth </Td> </Tr> <P> 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 . The film, Diary of a Wimpy Kid: Dog Days, released on August 3, 2012, was based on the book and its predecessor, The Last Straw . </P>

What is the plot of the diary of a wimpy kid dog days