Used availability for Peter Dickinson's The Seventh Raven
Hardback Editions
January 1981 : UK Hardback

Title: The Seventh Raven
Author(s): Peter Dickinson
ISBN: 0-575-02960-9 / 978-0-575-02960-6 (UK edition)
Publisher: Gollancz
Availability:
Amazon Amazon UK Amazon CA September 1981 : USA Hardback

Title: The Seventh Raven
Author(s): Peter Dickinson
ISBN: 0-525-39150-9 / 978-0-525-39150-0 (USA edition)
Publisher: Dutton Books for Young Readers
Availability:
Amazon Amazon UK Paperback Editions
December 2013 : USA Paperback

Title: The Seventh Raven
Author(s): Peter Dickinson
ISBN: 1-61873-028-2 / 978-1-61873-028-2 (USA edition)
Publisher: Big Mouth House
Availability:
Amazon UK Amazon CA April 1996 : UK Paperback
Title: The Seventh Raven (Puffin Teenage Books S.)
Author(s): Peter Dickinson
ISBN: 0-14-037331-4 / 978-0-14-037331-8 (UK edition)
Publisher: Penguin Books Australia
Availability:
Amazon Amazon UK Amazon CA 1983 : USA Mass Market Paperback

Title: The Seventh Raven
Author(s): Peter Dickinson
ISBN: 0-440-20836-X / 978-0-440-20836-5 (USA edition)
Publisher: Laurel Leaf
Availability:
Amazon Amazon UK Amazon CA August 1988 : UK Paperback

Title: The Seventh Raven (Plus)
Author(s): Dickinson Peter
ISBN: 0-14-032667-7 / 978-0-14-032667-3 (UK edition)
Publisher: Puffin
Availability:
Amazon UK Amazon CA June 1983 : UK Mass Market Paperback

Title: The Seventh Raven (Puffin Books)
Author(s): Dickinson Peter
ISBN: 0-14-031506-3 / 978-0-14-031506-6 (UK edition)
Publisher: Puffin
Availability:
Amazon Amazon UK Amazon CA