(9781426218927) - Height: 211 mm - Spine width: 25 mm - Width: 258 mm - National Geographic - ISBN: 9781426218927 - Number of pages: 318 - Languages: English - Weight: 1230 g
(9781401957216) - Twentieth anniversary edition - Hay House - Hay House UK - Height: 155mm - Spine width: 33mm - Width: 228mm - ISBN: 9781401957216 - Number of pages: 312 - Languages: English - Publication date: 27 Nov 2018