Second-grade detectives Jigsaw and Mila are hired by their classmate, Solofsky, who was accused of stealing a prize medal from a pet store.

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!

Eddie Becker has the idea of a lifetime, and creates plans for what he promises is going to be a million-dollar invention. Then the plans get stolen. Worst of all, after Jigsaw does some digging, he suspects the principal may be the thief! Now Jigsaw has to invent a gadget of his own to find out the truth.

Jigsaw Jones and Mila Yeh have solved many cases involving stolen or missing items. But when the search for Kim's necklace turns up more than they bargained for, Jigsaw can't trust his eyes. Did the scarecrow on Ms. Rigby's lawn just . . . move? Find out more in The Case of the Haunted Scarecrow.

"Jigsaw's new client is also the new kid in town. He's moved into a very old house, one full of secrets. False doors and hidden rooms--what else will Jigsaw and his partner, Mila, find in their quest to match the golden key to what it unlocks?"--

Jigsaw's class is getting ready for parent's night. They are painting pictures to show their families. One minute they are coloring. The next minute Geetha's painting is gone!