There's this edition from the USA - it has all four maps included in a slipcase (a hardcover book, and a hardcover case with the four folded maps inside)

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$62.71 Blackwell's (hardback) - Availability: Unknown

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$10.80 Amazon.com (Hardcover) - Availability: Now

£63.70 Amazon.co.uk (Hardcover) - Availability: Now

€34.67 Amazon.de (Gebundene Ausgabe) - Availability: Now

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