If you defintely got it in 1997 then it is almost certainly the first edition because it only came out on the 6th November that year and they printed 120,000 of them, making it the most common of the hardbacks.
It should be printed by Gollanz, the book club edition didn't come out until 1998, and there will be a series of numbers somewhere on the page that includes the ISBN which must have a 1 at the beginning similar to the example shown below