Eon is the third and final collection in a conceptual trilogy that includes T.R. Hummer's Ephemeron (2012) and Skandalon (2014). Along with its sister volumes, Eon tells part of the story of the all too short arc of our being in the world and the mystery that follows death. Separated into three sections, this work is a meditation on what humans can know concerning the eternal. Its second section, "Urn," is comprised of a series of poems that read like extended epitaphs, all titled for and informed by someone who has passed away. The collection is shot through with...