"For A. J. and the gang from Ella Mentry School, a night of regular trick-or-treating turns into the weirdest Halloween in the history of the universe"--Provided by publisher.

Pig is the world's greediest pug, and on Halloween he is completely out of control, thinking up nasty tricks to play on people who do not give him the treats he thinks he deserves and never sharing with Trevor the sausage dog--until too much chocolate makes him really sick and he finally learns the error of his ways (again).

When a British student-teacher arrives, A. J. and his friends wonder if her all-black clothing and love of blood sausage mark her as a vampire, while Mr. Granite simply hopes her musician-boyfriend will stay away long enough for a math lesson.

A.J. and the other students at Ella Mentry School brave trick-or-treating at the school secretary's house, even though it is supposedly haunted.

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...

Charley is sure that the first Halloween in his new house will be awful, until his stepfather takes him out trick-or-treating.

Froggy tries to find just the right costume for Halloween and although his trick-or-treating does not go as he had planned, he enjoys himself anyway.

Hot Rod Hamster is invited to a Halloween party, and he enlists the help of a group of ghosts to win the spookiest costume contest.

Spookley is ridiculed for his odd shape until his uniqueness saves the day.