Sotheby's to sell rare Audubon 'Birds of America'

Sotheby's employee Sue Austin poses for photographs with a copy of the first collected edition of Shakespeare's plays, the 'First Folio' at the auction house's premises in London, Monday, Dec. 6, 2010. The extremely rare copy dates from 1623 and is estimated to fetch 1 to 1.5 million pounds ($1,567,889 to 2,351,834) in the sale of 'Magnificent Books, Manuscripts and Drawings' on Dec. 7. (AP Photo/Matt Dunham)

December 7, 2010 5:53:44 AM PST
Sotheby's is auctioning a rare copy of John James Audubon's "Birds of America," billed as the world's most expensive book - a treasure that could sell for 6 million pounds ($9.5 million).