(9780316475266 / unknown) - Dimensions: 160 x 234 x 50mm | 760g - Format: 544 pages - Hachette Books - London, United States - Little, Brown & Company - ISBN: 9780316475266 - Languages: English
(9780199390038 / 9780199390038) - Dimensions: 166 x 237 x 22mm | 520g - Revised - Updated, Revised - New York, United States - Oxford University Press Inc - Format: Paperback | 336 pages - Publication date: 26 Feb 2015 | North Korea