From the widely acclaimed poet, novelist, critic, and scholar, a lucid and edifying exploration of the building blocks of poetry and how they've been used over the centuries to assemble the most imperishable poems. We treasure our greatest poetry, Brad Leithauser reminds us in these pages, "not for its what but its how." In chapters on everything from iambic pentameter to how stanzas are put together to "rhyme and the way we really talk,"...