Lucy is in trouble. She gave her father's rare coin to Bigs Maloney. Now the coin is missing! Jigsaw and Mila are on the hunt for clues.

Jigsaw has to spend the night with Ralphie Jordan to determine if his house is really haunted.

Detective Jigsaw Jones and his friend, Mila, have a new case to solve after they happen upon a genuine mummy at the class Halloween party.

Let it snow! when it snows, there's sledding, snowballs, and snow days! But things get frosty when someone steals Bigs Maloney's sled two days before the great sled race. Jegsaw and Mita are on the case They need to keep Bigs cool and find his sled. Fast.

Someone stole 'Old Rusty,' Ralphie Jordan's trusty bicycle. 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? Solving this case is an uphill ride for ace detectives Jigsaw and Mila.

Is there a bear loose in the woods by Jigsaw Jones' town? For once this second-grade detective and his partner Mila Yeh might be out of their depth! One way or another, these two young sleuths will get to the bottom of who, or what, is growling and snapping in those woods in The Case of the Bear Scare.

"Jigsaw is in big-time trouble! For a dollar a day, Jigsaw and Mila make problems go away. But now Jigsaw has some trouble of his own. He lost grandfather's watch! Can Jigsaw and Mila find the watch before time runs out?"

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's school is haunted! Some kids saw a ghost dancing in the classroom. Jigsaw Jones is not afraid. He will catch this glowing ghost ... 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.

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...