Somewhere in the history of literature, the world decided that poetry was “serious.” But with I Dreamed I Was Emily Dickinson’s Boyfriendas evidence, poet Ron Koertge (Sex World; Now Playing: Stoner & Spaz II) asks history to reconsider. This collection of 60 poems, divided into four sections, is often funny. But the poems also raise thoughtful questions or interrogate cultural icons (as in “Mickey” or “Yahweh Barbie”), each time catching readers with surprising insight or gravity.