Most expensive book is a Bird Book Dec 8, 2010 1:11:53 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Edu Lorenzo Jr on Dec 8, 2010 1:11:53 GMT It's quite a nest egg. John James Audubon's "Birds of America," a rare blend of art, natural history and craftsmanship, fetched more than $10 million at auction on Tuesday, making it the world's most expensive published book.news.yahoo.com/s/ap/eu_britain_rare_bookCan this hobby get any more expensive? ;D