John Devost

10 Y-Pentominoes
11 F-Pentominoes
18 Burr Pieces Packing Puzzle
44 Piece Packing Puzzle
4x4x3 Dissection
Abbie's Waffle
All Star
All-Star
Anti-Slide
Barb's Cube
Blockhead
Bricabrac
Burrloon
Check Me Out
Christmas 2001
Convolution
Corner Lock
Cornucopia
Cruiser
Cube 16
Diagonal Cube (Coffin)
Few Tile
Five Intersecting Tetrahedra