Usborne Book of Superpuzzles: Map/Logic/Code (Usborne Superpuzzles S.)
by Gaby Waters,Radhi Parekh
ISBN 13: 9780746007365
Format: Hardcover (144 pages) Publisher: Usborne Publishing Ltd Published: 31 Dec 1995 Other Format: Paperback
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by Sarah Dixon,Radhi Parekh
ISBN 13: 9780746007358
Format: Paperback (144 pages) Publisher: Usborne Publishing Ltd Published: 31 Dec 1995 Other Format: Hardcover