Crow, Mary. (William Heyen.) I HAVE TASTED THE APPLE. Brockport: BOA Editions, 1996. 1st edition, uncorrected proof, original paperwraps (as issued). The poet William Heyen's copy, with his ownership signature on the FEP. Very little wear. Item #2451 Price: $15.00 Add to Cart Ask a Question See all items in Signed Books See all items by Mary Crow, William Heyen.