In reading order
The Swamp Robber
Paul Hutchens
The Killer Bear
Paul Hutchens
The Winter Rescue
Paul Hutchens
The Lost Campers
Paul Hutchens
The Chicago Adventure
Paul Hutchens
The Secret Hideout
Paul Hutchens
The Mystery Cave
Paul Hutchens
Palm Tree Manhunt
Paul Hutchens
One Stormy Day
Paul Hutchens
The Mystery Thief
Paul Hutchens
Teacher Trouble
Paul Hutchens
Screams in the Night
Paul Hutchens
The Indian Cemetery
Paul Hutchens
The Treasure Hunt
Paul Hutchens
Thousand Dollar Fish
Paul Hutchens
The Haunted House
Paul Hutchens
Lost in the Blizzard
Paul Hutchens
On the Mexican Border
Paul Hutchens