Editorial

Rik van Grol

Cracking the L-burr

Johan van de Konijnenberg

Recent Greedy Cups

Frans de Vreugd

The Quest for God’s Algorithm

Rik van Grol

Puzzle Games

Tom Jolly

The View from IPP 30: an Abecedarian Account

Bret Rothstein

Japanese IPP 30 Exchange Puzzles

Frans de Vreugd

2010 Puzzle Design Competition

Rik van Grol

Tangram and Beyond (2)

Fred Horn

An even more Complete Enumeration of Bandaged Cubes

Andreas Nortmann

Japanese Karakuri Locks

Junichi Kato

About Face-turn Octahedra

Dieter Gebhardt

Puzzle News (27)

Rik van Grol