New York: Viking Press, 1952. First edition. Very Good/Very Good. FIRST EDITION, FIRST STATE of Steinbeck's classic. Steinbeck "considered Eden to be his magnum opus, the crowning achievement of his life's work. Similar to how Steinbeck spent years researching and reflecting on Zapata, and similar to how Steinbeck gradually put pieces together for The Grapes of Wrath in the 1930's, the writer let East of Eden gestate in his mind for decades. He thus 'nurtured' it 'all of his life and… [it] seemed to grow with him until the time of writing was at hand' … [To] one correspondent, Steinbeck placed East of Eden in the context of his life and work, concluding, 'That earlier work was practice for this… The rest was practice'. In another letter, Steinbeck asserted, 'I still think it is The Book, as far as I am concerned. Always before I have held something back for later. Nothing is held back here. This is not practice for a future. This is what I have practiced for…'" (Michael…