(9781446094112 / 16802957) - Height: 216 mm - Spine width: 14 mm - Width: 140 mm - Pratt Press - ISBN: 9781446094112 - Number of pages: 250 - Languages: English - Weight: 322 g
(9780900883064) - First edition - City of London Phonograph & Gramophone Society - Height: 210 mm - Width: 150 mm - ISBN: 9780900883064 - Number of pages: 21 - Languages: English
(9780900883705) - Height: 210 mm - Width: 150 mm - ISBN: 9780900883705 - Number of pages: 43 - Languages: English - City of London Phonograph & Gramophone Society
(9788121900881) - Edition: 6Revised Edition - Publication date: 30 Jun 1987 - Height: 220 mm - Spine width: 56 mm - Width: 140 mm - S Chand & Co - ISBN: 9788121900881 - Number of pages: 1076 - Languages: English
Jaico Publishing House (9788179927939) - Stephen Hawking - Paperback - Collector's edition - Jaico Publishing House - Book edition: 1st - Height: 210 mm - Spine width: 22 mm - Width: 150 mm - ISBN: 9788179927939
