Greg Boyd and his father, Ed, were on opposite sides of a great divide. Greg was a newfound Christian, while his father was a longtime agnostic. So Greg offered his father an invitation: Ed could write with any questions on Christianity, and his son would offer a response.

Letters from a Skeptic contains this special correspondence. The letters tackle some of today's toughest challenges facing Christianity, including

Do all non-Christians go to hell?
How can we believe a man rose from the dead?
Why is the world so full of suffering?
How do we know the...