Because it is being revised. According to the wonderful information about Jin Yinan's suffering, it is because it is being revised. Glorious Suffering is the first book to interpret China's early history in the international context. The first book to comment on history with strategic thinking and strategic consciousness. The first history book that can be appreciated as prose. This book is the masterpiece of Jin Yinan, a senior think tank, which lasted 15 years. After its sixth anniversary, it was carefully revised and supplemented with a new edition. Jin Yinan excavated many brand-new historical materials in six years. The first edition has been further adjusted and revised. Therefore, the new edition has more reading value and collection value.