When Ralphie Jordan thinks his house is haunted, Jigsaw takes the case. The only way to trap the ghost is for Jigsaw to spend the night. With Mila's help, the clues are pieced together to tell a story -- a spooky ghost story.

Joey Pignattano made a Halloween bet. He is going to eat a worm for a dollar. The only problem is, someone stole the worm. And the number one suspect is a mummy!

Things get frosty when someone steals Bigs Maloney's sled two days before the great sled race. Jigsaw and Mila are on the case.

A surprise author is coming to Ms. Gleason's class! It's a real mystery. Ms. Gleason won't say the name of the writer. Some kids think it might be a ghostwriter!

Athena Parker has been slimed! And she doesn't think it's funny. Someone in Ms. Gleason's class is playing practical jokes. And it's up to Jigsaw and Mila to catch the clown. This could be their stickiest case yet.

Someone stole Ralphie Jordan's rusty old bike. Jigsaw and Mila hit the trail to track down the thief. But one piece of the puzzle doesn't fit. Who would take a hand-me-down bike?

The girls take on the boys in the biggest football game ever. But when one boy's sneakers disappear, the players stop the clock. And Jigsaw and Mita take the field. It's a tough case to tackle, but his detective teams plays to win.

Jigsaw and Mila decide to investigate when a series of strange incidents lead people to believe a black bear may be loose in the town.

The prize for the pet show is missing. Jigsaw enters his dog Rags in the contest and has an idea to solve the case.

Jigsaw decides to catch a ghost that kids saw dancing in the classroom--even if he has to stay after school to do it.

Jigsaw Jones finds himself in competition with Reggie for the title of the best detective in town. Reggie relies on technology and charm to solve mysteries. Can Jigsaw prove that he is better?

Jigsaw Jones tries to prove that Joey Pignattano should not be blamed for starting a food fight in the school cafeteria.

When the class's Valentine candy disappears, Jigsaw and Mila try to figure out who stole it.

Ghosts start haunting Jigsaw's classmates, but there's a new ghostbuster in town stealing all of Jigsaw's clients.

Jigsaw Jones is back! A brand new original mystery, The Case of the Hat Burglar is the newest installment of the Jigsaw Jones chapter book series by James Preller. Someone's been stealing from the lost and found. But the strangest part of this mystery is what they've been stealing. Not mittens, or books, or water bottles - only hats! Just when Jigsaw comes up with a plan to catch this hat burglar in the act, the mystery thief strikes again right under...