Peter Gál

Puzzle Booklet - Octet in F
Puzzle Booklet - Pentomino
Puzzle Booklet - Tangram
Puzzle Booklet - Tetrahex
Puzzle Booklet - TetraTan
Puzzle Booklet - Tria-Squa-Hexa
Puzzle Booklet - Tridrafter
Simplography
Spacing Out
TriPenTile