Book 1

Early chapter book readers have a new classroom hero in clever, dependable, puzzle-crazy Jigsaw Jones. With the help of his Top Secret Detective Journal and his ace partner, Mila, Jigsaw is hot on the trail of Hermie the missing hamster.

Book 2


Book 2


Book 3


Book 3


Book 4

Ralphie Jordan can't sleep. Something is making spooky noises in his room at night. It's a perfect case for Jigsaw Jones, who pieces together all the ghostly clues.

Book 4


Book 5

When Eddie's baseball cards are missing, Jigsaw steps up to the plate. He's no rookie detective! Solving this case is sure to send Jigsaw and Mila straight to the Detective's Hall of Fame.

Book 5


Book 6

The Case of the Mummy Mystery

by James Preller

Published 1 September 1999

Book 7

The Case of the Runaway Dog

by James Preller

Published 1 November 1999
Jigsaw's dog Rags is missing! It's the most important case yet for super-sleuths Jigsaw and Mila.

Book 8

After a huge snowstorm, the neighborhood kids go sledding at Long Hill. Everyone's having a great time -- until one of the sleds disappears. It's up to super-sleuth Jigsaw Jones and his partner, Mila, to solve this chilly case!

Book 9


Book 9


Book 10

Case of the Ghostwriter

by James Preller

Published 1 February 2001

Book 10

Case of the Ghost Writer

by James Preller

Published 1 February 2001

Book 11


Book 12

Case of the Class Clown

by James Preller

Published 1 February 2001

Book 13

Someone is stealing brownies from Mike and Mary's sandwich shop. Jigsaw is piecing together the clues one crumb at a time. But no one is going to snatch a brownie while a detective is watching. Time for Jigsaw to go undercover and catch this brownie bandit.

Book 14

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.