Re: TOS movie era Novels?
As I recall, the New Earth books assume they're in TWOK-style uniforms.
The first New Earth
book explicitly has the transition between the two styles.
"Niceness is the greatest human flaw, except for all the others." - Brendan Moody
"...don't mistake a few fans bitching on the Internet for any kind of trend." - Keith R.A. DeCandido