There were two different versions of the novel, Who's Who, probably because they were edited and edited differently by different editors. In addition, there might be different plots, character settings, or endings between the two versions. Some novels may be edited and edited multiple times by different editors or editors, which may lead to differences in the plot, character setting, and ending of the novel. This difference could be due to the difference in editors or the competition between the editors. There might be different plots, character settings, or endings between the two versions of the novel. The specific reasons might not be clear. But in either case, reading multiple versions and comparing them might help readers better understand the novel and discover the characteristics and highlights of different versions.