Sun Tzu dynasty bibliographies noted the latter publication as extant and written by a descendant of Sun, it had previously been lost. The rediscovery of Sun Bin's work is regarded as extremely important by scholars, both because of Sun Bin's relationship to Sun Tzu and because of the work's addition to the body of military thought in Chinese late antiquity. The discovery as a whole significantly expanded the body of surviving Warring States military theory. Sun Bin's treatise is the only known military text surviving from the Warring States period discovered in the twentieth century and bears the closest similarity to "The
Sun Tzu most of the notable figures from the Spring and Autumn period. The name "Sun Wu" () does not appear in any text prior to the "Shiji", and may have been a made-up descriptive cognomen meaning "the fugitive warrior": the surname "Sun" can be glossed as the related term "fugitive" ("xùn" ), while "Wu" is the ancient Chinese virtue of "martial, valiant" ("wǔ" ), which corresponds to Sun Tzu's role as the hero's "doppelgänger" in the story of Wu Zixu. The only historical battle attributed to Sun Tzu, the Battle of Boju, has no record of him fighting in that battle.