Notes: Dated 1st printing of this 2019 edition, and by numberline. Title page:

• "The Snail [over] on the Slope [over] Arkady and Boris [over] Strugatsky" Gollancz colophon.

Copyright page:

• "This edition first published in Great Britain in 2019 by Gollancz [over] an imprint of the Orion Publishing Group Ltd [over] Carmelite House, 50 Victoria Embankment [over] London EC4Y 0DZ"
• "An Hachette UK Company"
• Numberline: "1 3 5 7 9 10 8 6 4 2"
• "Text copyright © Arkady and Boris Strugatsky 1968"
• "Introduction copyright © Adam Roberts 2019"
• "Afterword copyright © Boris Strugatsky 2001"
• "English language translation copyright © Olena Bormashenko 2018"
• "ISBN (paperback) 978 1 473 22828 3"
• "ISBN (ebook) 978 1 473 22829 0"
• "Printed and bound in Great Britain by Clays Ltd, Elcograf S.p.A."

Back cover:

• "Cover image © Getty Images"
• "Design by Tomás Almeida / Orion Books"
• "UK £9.99" (no additional pricing)

Spine:

• SF Masterworks, The Snail on the Slope in black; Arkady and Boris Strugatsky in orange, all on graduated yellow-to-white ground.

Month / day from Amazon UK as of 2019-09-03. Introduction is titled "Introduction [over] by Adam Roberts", and is unsigned on page viii. Novel finishes on page 232. Afterword is titled "Afterword [over] by Boris Strugatsky", and is unsigned on numbered page 248. Semi-gloss cover.