Hopeship

Roddenberry and Hartman developed an idea for a spin-off series for Star Trek entitled  Hopeship, chronicling the adventures of a Federation hospital vessel. Although both ideas were scrapped, Hartman eventually wrote the "Einai" series of novels, which are heavily influenced by  Star Trek .

The book:   Simon Lang (January 1994). Hopeship. ISBN 0-441-34306-6.