Peter GrabarchukBooksPuzzle Box Volume 2Puzzle Box, Volume 1Strimko 6x6Big, Big, Big Book of BrainteasersPuzzle Box Volume 3Strimko 4x4Modern Classic PuzzlesStrimko 7x7The simple book of not-so-simple puzzlesStrimko Book 1303 Three-Minute PuzzlesStrimko 5x5Author data: Open Library