Seventh volume in a series of Star Trek: The Original Series episode adaptations, written by James Blish and published by Bantam Books.

Includes six stories: Who Mourns for Adonais?, The Changeling, The Paradise Syndrome, Metamorphosis, The Deadly Years, Elaan Of Troyius

(from the back cover)

Join up! Board the Enterprise and journey with her crew to far-off worlds, where you will find:

-Greek gods and American Indians
- men who can live forever and other men who die of old age at twenty-nine
- a machine with the power to raise the dead and a woman whose tears can topple empires.