Used availability for Laurence Delaney's The Triton Ultimatum
Hardback Editions
March 1978 : UK Hardback

Title: Triton Ultimatum
Author(s): Laurence Delaney
ISBN: 0-450-03687-1 / 978-0-450-03687-3 (UK edition)
Publisher: New English Library Ltd
Availability:
Amazon Amazon UK Amazon CA August 1977 : USA Hardback
Title: The Triton Ultimatum
Author(s): Laurence Delaney
ISBN: 0-690-01490-2 / 978-0-690-01490-7 (USA edition)
Publisher: Thomas Y. Crowell Company
Availability:
Amazon Amazon UK Amazon CA Paperback Editions
June 1979 : USA Paperback

Title: The Triton Ultimatum
Author(s): Laurence Delaney
ISBN: 0-440-18744-3 / 978-0-440-18744-8 (USA edition)
Publisher: Dell Publishing
Availability:
Amazon Amazon UK May 1979 : UK Paperback

Title: The Triton Ultimatum
Author(s): Laurence Delaney
ISBN: 0-450-04086-0 / 978-0-450-04086-3 (UK edition)
Publisher: New English Library Ltd
Availability:
Amazon Amazon UK Amazon CA