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How Many Friends Does One Person Need?: Dunbar's Number and Other Evolutionary Quirks
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Hardcover
Book cover for 9780571253425
 
from Gardners Books (February 4, 2010)
9780571253425 | details & prices | 320 pages | 5.25 × 7.75 × 1.25 in. | 0.85 lbs | List price $24.85