A note to readers: This essay is both longer and more formal than pretty much everything that will follow it on this blog. (I promise.) But I spent a good part of the past year poring over Marilynne Robinson’s work as part of a reading group with two minister friends of mine, and I told myself I’d surely be damned if I didn’t express the product of those labors somewhere. (My friends agreed.) So here it is. *** With seven books in 31 years, Marilynne Robinson is far from our most prolific writer—but she is certainly one of our most…