Old Man's War

Scalzi has stated on his own site that the first printing was 3,700 copies, that copies reached shelves in December 2004 ahead of the January 1, 2005 official release date (first sighting December 13, 2004), and that Tor had to rush a second printing less than three weeks after release — which is why genuine first printings are scarce relative to the book's later ubiquity