The Hinged Square & Other Puzzles
ISBN:9781402716669...
The Hinged Square Other Puzzles
Jewel Hinged Jaw
ISBN:9780911499025...
Piano-hinged dissections
ISBN:9781568812991...
The Jewel-Hinged Jaw
ISBN:9780819568830Samuel R. Delany's The Jewel-Hinged Jaw appeared originally in 1977, and is now long out of print a...