Brainstrains: Eye-Popping Puzzles
by Peter de Schepper, Frank Coussement, Keith Kay
ISBN 13: 9781402709906
Format: Paperback (352 pages) Publisher: Sterling Published: 28 Apr 2004
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The Train Your Brain Challenge: 156 Puzzles for a Superior Mind
by Peter de Schepper, Frank Coussement
ISBN 13: 9781623540739
Format: Paperback (176 pages) Publisher: Imagine Publishing, Inc Published: 02 Feb 2016