Summer vacation with the whole family: Bestselling author Jeff Kinney delivers fun once again in the 19th installment of the comic novel series!

It's summer break! But instead of hanging out with his best friend Rupert, Greg is facing a family vacation on Knitterfels Island this year. The whole family crammed together in a tiny beach house and in sweltering heat? If that isn't the perfect recipe for a massive disaster!

Beneath the surface, tensions are already brewing: Alongside Grandma's closely guarded meatball recipe, there are more family secrets that Greg has no idea about. Will he manage to uncover them by the end of the vacation? Or will he just cause the atmosphere in the beach house to boil over?

A guaranteed laugh attack: great fun with Greg!.