Several people have asked how to get a copy of one of the foreign editions. Here are some links:
Amazon Germany - You can switch to English on the site
Amazon U.S. - From third party
Publisher Mann Ivonov and Ferber - Site in Russian
Amazon Japan - You can switch to English on the site
Kinokuniya - Japanese bookstore with outlets in the U.S.
Saxo - Danish online bookseller. In Danish
ARK - Norwegian online bookseller. In Norwegian.Note: I love how the publisher showed the maze partially solved on the cover... how clever!
Bol.com - Netherlands online bookstore. In Dutch.