The Jigsaw Jones Mysteries is an American series of young children's detective fiction written by New York author James Preller. The series is published by Scholastic Corporation. The first book was published in 1998; 32 regular mysteries appeared between 1998 and 2007 plus 6 Super Special mysteries between 2001 and 2008. A 33rd book in the regular series is to be published in August 2017.^[1]

• #1 The Case of Hermie the Missing Hamster
• #2 The Case of the Christmas Snowman
• #3 The Case of the Secret Valentine
• #4 The Case of the Spooky Sleepover
• #5 The Case of the Stolen Baseball Cards
• #6 The Case of the Mummy Mystery
• #7 The Case of the Runaway Dog
• #8 The Case of the Great Sled Race
• #9 The Case of the Stinky Science Project
• #10 The Case of the Ghostwriter
• #11 The Case of the Marshmallow Monster
• #12 The Case of the Class Clown
• #13 The Case of the Detective in Disguise
• #14 The Case of the Bicycle Bandit
• #15 The Case of the Haunted Scarecrow
• #16 The Case of the Sneaker Sneak^{[title variant]}
• #17 The Case of the Disappearing Dinosaur
• #18 The Case of the Bear Scare
• #19 The Case of the Golden Key
• #20 The Case of the Race Against Time
• #21 The Case of the Rainy-Day Mystery
• #22 The Case of the Best Pet Ever
• #23 The Case of the Perfect Prank
• #24 The Case of the Glow-in-the-Dark Ghost
• #25 The Case of the Vanishing Painting
• #26 The Case of the Double-Trouble Detective
• #27 The Case of the Frog-Jumping Contest
• #28 The Case of the Food Fight
• #29 The Case of the Snowboarding Superstar
• #30 The Case of the Kidnapped Candy
• #31 The Case of the Spoiled Rotten Spy
• #32 The Case of the Groaning Ghost
• #33 The Case from Outer Space
• #34 The Case of the Smelly Sneaker
• #35 The Case of the Hat Burglar

• Jigsaw Jones Super Special #1: The Case of the Buried Treasure
• Jigsaw Jones Super Special #2: The Case of the Million Dollar Mystery
• Jigsaw Jones Super Special #3: The Case of the Missing Falcon
• Jigsaw Jones Super Special #4: The Case of the Santa Claus Mystery
• Jigsaw Jones Super Special #5: The Case of the Four-Leaf Clover
• Jigsaw Jones Super Special #6: The Case of the Wild Turkey Chase
• Jigsaw Jones Detective Tips

• Theodore "Jigsaw" Jones: The main character of the series. He once claimed that he himself was the first detective in the whole second grade.
• Mila Yeh: The partner of Jigsaw and his best friend. She also might be his love interest.

• Miss Gleason: The class teacher.
• Lucy Hiller: A girl in Jigsaw's class who Bigs likes.
• Helen Zuckerman: A smart but unfunny girl.
• Athena Lorenzo: A bad tempered girl.
• Danika Starling: A girl who likes magic.
• Geetha Nair: A very shy girl.
• Bobby Solofsky: An enemy detective to Theodore.
• Timothy "Wingnut" O'Brien: Nicknamed because his ears were three sizes too big.
• Bigs Maloney: One of the class's nicest people and the toughest and the strongest in second grade.
• Joey Pignattano: A gluttonous boy.
• Jasper "Stringbean" Noonan: Nicknamed because he is as thin as a stringbean.
• Ralphie Jordan: The class clown and prankster.
• Eddie Becker: A boy who dreams of becoming rich.
• Mr. Rogers: The principal.
• Mr. Copabianco: The janitor.

• Jigsaw's dad: A detective when he was in Grade 2, and studied in the same room (Room 201) as Jigsaw.
• Jigsaw's mom: Came from Hackensack, New Jersey, is very strict about the words "hate" and "dumb".
• Billy, Daniel and Nick: Older brothers of Jigsaw.
• Hillary: Jigsaw's older sister.
• Rags: Jigsaw's dog.
• Grams: Jigsaw's grandmother.

• Mike and Mary: Owner of Our Daily Bread and Pita shop near the school, and family friends of the Jones.
• Marc "Red Cap": A teenager who lives near Our Bread and Pita, friend of Jigsaw, Mike and Mary.
• Reginard Armitage Pinkerton III: The richest kid in the town.
• Chase Jackson: The star of the TV show Spy Guy and Jigsaw's friend. Chase appeared in the book #31 The Case of the Spoiled Rotten Spy"

^{^} Also published in 2017 as The Case of the Smelly Sneaker

• Author James Preller's website