His nightmarish visions, shaped by cool artistic calculation, reveal some of the dark possibilities of human experience. His enormous popularity and his continuing influence of literature depend less on legend or vision than on his stylistic and formal accomplishments as a writer of fiction and a great lyric poet. In this complete and uniquely authoritative Library of America collection, well-known tales of "mystery and imagination" and his best-known verse are collected with early poems, rarely published stories and humorous sketches, and the ecstatic prose poem Eureka.