Dick Hess

The Hippo Puzzle
The Jeweled Crown Puzzle
The Linked Trapeze Puzzle
The Mini-Menagerie Puzzle
The Ox Puzzle
The Pawnbroker
The Pendulum
The Pig
The Pig and Cow Puzzle
The Rhino Puzzle
The Rodeo Riders
The Scissors
The Squiggle
The Taj Mahal Puzzle
The Trapeze
The Trapeze and Cross Puzzle
The Twins
The Two Cups
The Yak
Trapped Key
Type 2 Trapeze
Unbalanced Scales
Walker's Worry