Unless there's an edition newer than 2000, it probably doesn't matter as the gear talked about is what would have been updated. I think mine is about a 1980 edition and those rods/reels are only available as used gear. Most of the spinners/lures are still available. The fly patterns are timeless.
If you really want to take a trip back in time, pick up a vintage copy of Fishing in Oregon (I bleev that's the title, I can't find my copy to verify). They talk about Carlton Lake bass and perch fishing - looked like a really sweet impoundment. That lake was removed in the early 70's, I think.