New York: Bantam Books, 1976. First Edition. 12mo in white and orange pictorial wraps; 182 pages; 18 cm. Near fine with very light rubbing to lower edge; small gold sticker to spine. Paperback. ISBN: 0553101595
"A Star Trek First." -- Front cover"A defective mind link turns the logical Mr. Spock into a fiery revolutionary who sets out to convert the planet Kyros with fire, sword and forbidden philosophy. Captain Kirk and the Enterprise crew must summon all their skill and cunning in a race against time on a hostile planet. Can they destroy the fiendish mind that holds Spock captive before it destroys them?" -- Back cover
