The stories in David Vann’s second book, Legend of a Suicide, circle compulsively around a central fascination—a father’s suicide. Partway through “Sukkwan Island,” the central novella in the collection, I decided I had to put the book down—just for a day, until I felt ready to read on. I mean this as praise. Legend of a Suicide is a very difficult book for the very best reasons: it is written with great honesty and journeys unflinchingly into darkness. It is a reckoning.