Book 1
The First Case
Felix Gumpaw
Book 2
The Tiger's Eye
Felix Gumpaw
Book 3
The Soccer Mystery
Felix Gumpaw
Book 4
Ghosts, Goblins, and Ninjas!
Felix Gumpaw
Book 5
The Missing Magic Wand
Felix Gumpaw
Book 6
Mystery Mountain Getaway
Felix Gumpaw
Book 7
The Big Bad Woof
Felix Gumpaw
Book 8
Battle of the Bands
Felix Gumpaw
Book 9
A Royal Fishing Scam
Felix Gumpaw