Nikki's diary describes a frightful Halloween, on which she helps with her sister's ballet class party at the same time she is Brandon's date for their middle school Halloween dance, where she has promised to spend the evening with her two best friends.

The pressure's really piling up on Greg Heffley. His mom thinks video games are turning his brain to mush, so she wants her son to put down the controller and explore his creative side. As if that's not scary enough, Halloween's just around the corner and the frights are coming at Greg from every angle. When Greg discovers a bag of gummy worms, it sparks an idea. Can he get his mom off his back by making a movie... and will he become rich and famous...

Greg Heffley and his family escape to a tropical island resort for some much-needed rest and relaxation, but sun poisoning, stomach troubles, and venemous creatures all threaten their vacation.

"Grab your sunglasses and slather on the sunscreen! In this laugh-out-loud adventure for kids and animal lovers everywhere, summer is here and Junior is getting his very own doggy vacation. It's me, Junior, back again with another tail-wagging tale of mischief-making! I'll tell you all about the fur-raising time I had when my pet humans went on a trip without me, and the horrible place they left me. Here are some of the adventures I had: How I survived...

In the latest diary of middle-schooler Greg Heffley, he records his attempts to spend his summer vacation sensibly indoors playing video games and watching television, despite his mother's other ideas.