Seamus Heaney is widely recognized as one of the major poets of the 20th century. Heaney's collection "Human Chain" contains poems that are, as always for him, grounded in the physical world but also take a look back.

Traci Brimhall is the author of "Our Lady of the Ruins" (forthcoming from W.W. Norton), winner of the 2011 Barnard Women Poets Prize, and "Rookery" (Southern Illinois University Press, 2010), winner of the 2009 Crab Orchard Series in Poetry First…