Last February we welcomed Smithsonian Secretary David J. Skorton to the Joseph F. Cullman 3rd Library in the National Museum of Natural History. On behalf of his wife Dr. Robin Davisson and himself, the Secretary was on a mission to select books for conservation as part of the Libraries’ Adopt-a-Book Program. Lilla Vekerdy, head of special collections, and Leslie Overstreet, curator of natural history rare books, displayed special treasures dating back to the 16th century from our collection. While we may have enticed him with too many selections, the Secretary ultimately chose three books: