Bought it around my Nan's 79th Birthday in July 1998. That's how I learned the titles of Star Treks III and IV. In that pre-Internet era (didn't get a computer til 2001) the encyclopedia was a goldmine of (then more or less current) information. Seems very quaint now with all the sites out there dedicated to the Trek-verse. Very dated too. Reminds me of simpler times.