I'd just like to know how Niven got involved with Trek in the first place and the circumstances that led to the Kzinti's inclusion.
As with TOS, where Roddenberry invited science fiction novelists to consult on concepts, and then to pitch episodes, DC Fontana encouraged Niven to contribute to TAS.
Niven supposedly hated the character of Kirk (IIRC) and only agreed to do a TAS script if he was able to omit the character? Hence, the whole ep is set on the shuttlecraft.
Ah, I guess you've seen this?: