A set of 22 of the 100 or so IPP26 Exchange puzzles, including a classic Coffin puzzle and others by well known designers. Exchanger Puzzle title Becker, Joe Bosstonean Cube Dawir, René Boston Tea Party Finn, Bob A. Knockout - Coffin #211 Fisher, Ginda Tricky Trivet Fuller, Eric Cheers Grebnev, Kirill Step Grol, Rik van Bin Laden Hajek, Peter Evict the Poltergeist Hegge, Rob The 1773 Tees Puzzle Hoppe, Walt Fourtress ...