Notes: • "© E. C. Tubb 1975" • "First published in Great Britain by Arrow Books 1978" • Month from amazon.uk • Printing not stated, no number line • The artist is not credited, Kirby is on the wraparound artwork (on some copies only the top part of the signature is just visible at the bottom) • UK 80p, Australia $2.50 [Not for sale in Canada; PV4 copy had a Hodder & Stoughton sticker with $2.85, likely for New Zealand]