I am clueless about the historical accuracy of this book, but making a assumptive leap, this is a great way to learn about a period in history or even a mythological story. Yang's humor and the way he manages to inject a simple humanity into his characters and art makes reading potentially dry subjects vastly more interesting. Not that the Boxer Rebellion is necessarily a dry subject, but learning about it through the graphic novel medium is infinitely more palatable than trying to struggle through a history book.

Obviously this book is full of authorial bias and injects a fair amount of supernatural hoo-hah into it, but that's part of what makes it so interesting. It also imparts some actual knowledge and tells a great story. I'm looking forward to reading the companion book, Saints (which seems to tell of the same time period through someone else's eyes).