"This edition first published in Great Britain in 2011 by [over] Gollancz [over] An imprint of the Orion Publishing Group [over] Orion House, 5 Upper St Martin's Lane, [over] London WC2H 9EA"
"An Hachette UK Company"
"Printed in Great Britain by [over] Clays Ltd, Elcograf S.p.A" (Thus 2018 or later.)
Number line: "3 5 7 9 10 8 6 4 2"
No ISBN.
Back cover:
"Illustration by Cliff Nielsen"
"UK £7.99" (no additional pricing)
"ISBN 978-1-407-24854-7". "No EAN".
Spine:
"SF Masterworks", "Sirius" in black; "Olaf Stapledon" in dark brown, all on graduated yellow-to-white ground.
Introduction is signed "Graham Sleight" on page viii.
Novel starts on numbered page 1, finishes on the last numbered page, 194.
Gloss cover.
Note: This cover has the author's name in yellow. Do not confuse with an alternative image with the author's name in green.