In The White Mirror , the follow-up to Elsa Hart's critically acclaimed debut, Jade Dragon Mountain , Li Du, an imperial librarian and former exile in 18th century China, is now an independent traveler. He is journeying with a trade caravan bound for Lhasa when a detour brings them to a valley hidden between mountain passes. On the icy planks of a wooden bridge, a monk sits in contemplation. Closer inspection reveals that the monk is dead, apparently...