This year's winner of the Yale Series of Younger Poets competition is Davis McCombs's Ultima Thule, which was acclaimed as “a book of exploration, of searching regard.... a grave, attentive holding of a light" by the contest judge, the distinguished poet W. S. Merwin. The poems are set above and below the Cave Country of south central Kentucky, where McCombs lives and which is home to thousands of caves. The book is framed by two sonnet