, we may see in this theory a probable solution of the mystery. Between Ssǔ-ma Chʽien and Pan Ku there was plenty of time for a luxuriant crop of forgeries to have grown up under the magic name of Sun Tzǔ , and the 82 pʽien may very well represent a collected edition of these lumped together with the original work. It is also possible, though less likely, that some of them existed in the time of the earlier historian and were purposely ignored by him. 37