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Unto Others: The Evolution and Psychology of Unselfish Behavior
Descriptions of each edition are found in brief where available. Click details & prices to get more information on a book or to find the best prices for the title.
Hardcover
from Harvard Univ Pr (May 1, 1998)
9780674930469 | details & prices | 394 pages | 6.50 × 9.50 × 1.50 in. | 1.60 lbs | List price $37.50
Paperback
Reprint edition from Harvard Univ Pr (October 1, 1999)
9780674930476 | details & prices | 6.00 × 9.25 × 1.00 in. | 1.26 lbs | List price $32.00