At this point in time, STAR WARS had splashed, and Paramount decided that the cancelled little TV show Star Trek might be a good way to cash in on the craze, if they could get it out of mothballs fast enough.
So, the TV show that never was (one of thousands of course), began development. 'Twas to be called Star Trek II.
And note the ad on the last page for one of Shatner's methods to cash in on the fever! Of course, the only "limited" in the phrase"Limited Collector's Edition" referred to the amount of orders they received!