8 books
Grampy because Grandfather is for Old Guys
I'm called Grampy because I'm way too Cool to be called Grandad
Grampysaurus Notebook
Grampy Here to Help you get into Mischief you haven't thought of Yet
Best Grampy Ever
Grampy the King of Mischief
I'm called Grampy because I'm way too Cool to be called Grandpa
Grampy the Man the Myth the Legend