Paperback
details (United Kingdom).(see also: eBook (Kindle) · eBook (Kindle) · Audible Audiobook)
details (USA).(see also: eBook (Kindle) · Audible Audiobook)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-7515-2318-8
ISBN-10: 0-7515-2318-6
Sphere · 1999