 It was reissued in paperback by Gollancz in 1997 and first published in the US by DAW Books in 1998, both in paperback.There was a hardcover Science Fiction Book Club edition in 1999 (US) and Gollancz issued a "mini-hardcover" in 2004 (UK).The "Guide" was heavily revised for the 2006 Firebird / Penguin edition (trade paperback; 2007 hardcover; US only?