London: Amber Lane Press, 1979. Paperback. 80p., production history, cast, fine true first UK edition, small trade paperback in gray wraps with triangle design on cover and clear mylar protective jacket. The only hardcover edition was the book club printing of the US mass-market edition. The true first was this UK Amber Lane Press trade paperback which is Young 3512D*.
The first UK production starred Sir Ian McKellen and Tom Bell, directed by Robert Chetwyn at the Royal Court Theatre in London.