Diary of a wimpy kid the ugly truth diary of a wimpy kid the ugly truth is a 2010 bestselling childrens fiction book by american author and cartoonist jeff kinney and is the fifth book in the diary of a wimpy kid series the ugly truth sold 548000 copies in its initial week of publication edging out decision points which sold 437000 copies. Diary of a wimpy kid the ugly truth is the 5th book of the diary of a wimpy kid series the book was released on november 9 2010 it revolves around greg and rowley becoming ex friends. Diary of a wimpy kid the ugly truth paperback greg heffley has always been in a hurry to grow up but is getting older really all its cracked up to. Diary of a wimpy kid the ugly truth book 5 dive into jeff kinneys fifth instalment of his rib tickling and bestselling diary of a wimpy kid