Paperback
details (UK).(see also: Audible Audiobook · Audible Audiobook · eBook (Kindle))
details (Germany).(see also: Audible Hörbuch · Audible Hörbuch · Kindle Ausgabe)
details (Canada).(see also: Audible Audiobook · eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-7088-4901-9
ISBN-10: 0-7088-4901-6
Sphere · 1992