39 Clues Series
Cam Jansen Series
Wallace and Grace
Inspector Flytrap
Julieta and the Diamond Enigma
Chasing Vermeer
The Buddy Files
Connect the Dots
Room One
Finally, Something Mysterious
Chicken Squad
Shelby Holmes
Moon Base Alpha Series
Super Puzzletastic Mysteries
Escape from Mr. Lemoncello’s Library
The Winterhouse Mysteries
How I Became a Spy
The Parker Inheritance
Nancy Drew Series
Howard Wallace, P.I.
Precious Ramotswe Series
Milo and Jazz
Mariella Mystery
Ali Cross
Woof
The Westing Game
Capital Mysteries Series
A to Z Mysteries Series
High Rise Private Eyes
Nate the Great Series
All the Wrong Questions
Randi Rhodes Ninja Detective
The Mysterious Benedict Society
The Real McCoys
Mo and Dale Mysteries
The Boxcar Children Series
Secret Coders Series