As Halloween rolls around again in Tinker's Cove, Maine, a murderer is dishing out some very nasty tricks. It's up to intrepid reporter Lucy Stone to unmask the killer.

The six horrible Herdman children create mayhem during Halloween.

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...

Mercy Watson fights crime: Mercy the pig's love of buttered toast leads to the capture of a small thief who would rather be a cowboy. Mercy Watson, princess in disguise: Persuaded by the word "treating" to dress up as a princess for Halloween, Mercy the pig's trick-or-treat outing has some very unexpected results.

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.