Deep Domain is a science fiction novel by American writer Howard Weinstein, part of the Star Trek: The Original Series franchise.

[1] Admiral Kirk and the Enterprise visit the ocean-world of Akkalla for diplomatic reasons.

Howard Weinstein previously wrote an episode of Star Trek: The Animated Series called "The Pirates of Orion.

Weinstein commented that, "To this day, I don't know if whales ended up in ST:IV partly as a result of my suggestion, or whether they'd already decided that.

This article about 1980s novels and other printed work relating to Star Trek is a stub.