[Junior]

Why would an atheist write a 400-odd page book about a God that he doesn't think exists?

Why did Edith Hamilton write all those books on mythology?

[Mr. Silverback]

The more apt question is why atheists like Dawkins and Harris are so threatened that the rest of us believe in Harvey the Rabbit, especially when a population people that believes in Harvey at a rate of over 90% has managed to build the freest and most prosperous nation in history.

Junior, you might want to consider the context of dsc's question. Dsc is a former atheist and feels he knows what the motive is. Seems to me the question was rhetorical.

[dsc]

"Why did Edith Hamilton write all those books on mythology?"

Not to ridicule and scorn mythology, that's for sure. IMO, it was a work of scholarship, intended to preserve and illuminate the subject matter.