“Saint Sebastian’s Abyss,” by Mark Haber, and “The Longcut,” by Emily Hall, are narrated by intense devotees of art.“Saint Sebastian’s Abyss,” by Mark Haber, and “The Longcut,” by Emily Hall, are narrated by intense devotees of art.Read MoreBooks and Literature, Haber, Mark, Hall, Emily, Saint Sebastian’s Abyss (Book), The Longcut (Book)