6 books
7
Jeff Kinney was the author who wrote the series of this book
diary of a wimpy kid was the last book that jeff kinney wrote.
Jeff Kinney wrote 7 books.
No, Jeff Kinney is the person who wrote the book.
Jeff Kinney
23
the author is Jeff Kinney
Jeff Kinney
23
of course he wrote matilda
Jeff Kinney wrote and illustrated all 5 of the Diary of a Wimpy Kid books