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Das einzige offizielle, vom Erfinder autorisierte Lösungsbuch
Mit einem Vorwort von Martin Gardner
The subtitle translates to:
The only official solution book authorised by the inventor.
With a foreword from Martin Gardner
Original price: 6.80 Deutsche Mark
This item is no longer in print. Collectors trying to purchase this item will want to check online used book sellers such as this one.
Thank you to the following people for their assistance in helping collect the information on this page: Frank, Georges Helm.
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