Notes: Undated 20th printing of the 2010 edition, by numberline. Title page:

• "I Am Legend [over] Richard Matheson"
• Gollancz colophon as imprint.

Copyright page:

• "Copyright © Richard Matheson 1954"
• "Introduction Copyright © Graham Sleight 2009"
• "Afterword Copyright © Stephen King 2000" (this is a printer's error, corrected to 2009 in this 2011 edition)
• "First published in Great Britain in 1999 by [over] Millennium [over] An imprint of Orion Books Ltd"
• "This edition published in Great Britain in 2010 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"
• Numberline: "20"
• "ISBN 978 0 575 09416 1"
• "Printed and bound in Great Britain by Clays Ltd, Elcograf S.p.A."

Back cover:

• "Based on illustration by Jim Thiesen" (no visible signature on the artwork)
• "UK £8.99" (no additional pricing)
• Author bio is headed; "Richard Matheson (1926-2013)"

Spine:

• SF Masterworks, I Am Legend in black; Richard Matheson in red, all on graduated yellow-to-white ground.

Introduction is signed "Graham Sleight [over] August 2009" on page ix. Novel finishes on numbered page 160. Afterword is titled "Afterword [over] by Stephen King" and is unsigned on numbered page 162. Semi-gloss cover. There are other versions of this image; different placings of the "I" in the title under the author's name and the quote beneath, and another with the quote on one line. See examples here and here.