Tranströmer's New Collected Poems (1997), translated by Robin Fulton, contains all of the poet's major collections. From the elegant verse and striking imagery of 17 Poems to the diverse and challenging meditations in The Wild Market-Square (1983) and The Sad Gondola (1996), this book is the definitive source to explore after "Answers to Letters."

This Tree Will Be Here for a Thousand Years (1979) is a collection of poetry by Tranströmer's friend, translator, and enthusiast Robert Bly. Many of the poems in this volume, like "Answers to Letters," offer a visionary meditation on the duality of consciousness.

André Breton: Selected Works (2003), edited by Mark Polizzotti, is an excellent introduction to the poetry of the famous surrealist author André Breton, including helpful biographical information and important selections from his prose.

Robert Bly's American Poetry: Wilderness and Domesticity (1990) is a passionate...