We can't wait to hear about Greg's 12th adventure... His first home-made horror movie with Rupert and some rubber worms in the leading roles is hardly in the can, but Greg is already on the verge of a new adventure. And this time it is also called ...a guaranteed attack on the laugh muscles. Because family Heffley is going on vacation! But what at first sounds like a relaxed holiday turns out to be quite chaotic and turbulent in the end. Typical Greg! Greg's diary is one of the most successful children's book series in the world. The humorous comics around Greg Heffley now have cult status.