Conversation so far:
What is Jon Krakauer's Under the Banner of Heaven?
Jon Krakauer's third non-fiction bestseller.
What is Jon Krakauer's book, Under the Banner of Heaven about?
The book examines extremes of religious belief, specifically fundamentalist offshoots of Mormonism.

Question: What year was Under the Banner of Heaven written?
Self-contained rewrite: What year was Jon Krakauer's Under the Banner of Heaven written?