A & C Black Publishers Ltd · Beltz · Callwey · Cornelsen · Elliott & Thompson Limited · Faber and Faber · Five Leaves Publications · Oxford University Press · Penguin Books Ltd
| title | media type | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|---|
| Baron's Hostage | Paperback | 978-0-340-16864-6 | 1974 | ||
| Bows Against the Barons | " | 978-1-905512-72-0 | 2009 | ||
| Bows Against the Barons | Hardcover | 978-0-340-04043-0 | 1983 | ||
| Bows Against the Barons: A Tale of Robin Hood | Paperback | 978-1-904027-26-3 | 2004 | ||
| Byron: a poet dangerous to know | Hardcover | 978-0-03-084268-9 | 1969 | ||
| Cue for Treason | Paperback | 978-0-14-132570-5 | 2009 | ||
| Cue for Treason | " | 978-0-14-030231-8 | 1973 | ||
| Das Goldene Elixier | Taschenbuch | 978-3-407-78144-4 | 2000 | ||
| Die Condottieri. Söldnerführer, Glücksritter und Fürsten der Renaissance | Gebundene Ausgabe | 978-3-7667-0308-8 | 1982 | ||
| Mission to Marathon | Paperback | 978-0-7136-7677-8 | 2006 | ||
| Oxford Bookworms Library: Stage 3: The Crown of Violet: 1000 Headwords | " | 978-0-19-479114-4 | 2008 | ||
| Oxford Bookworms Library - World Stories: The Crown of Violet | Broschiert | 978-3-06-801064-8 | 2008 | ||
| The Condottieri: Soldiers of Fortune | Hardcover | 978-0-03-084891-9 | 1971 | ||
| The Crown of Violet | Paperback | 978-0-571-26995-2 | 2010 | ||
| The Crown of Violet | " | 978-0-19-422758-2 | 1997 | Jennifer Bassett | |
| The Oxford Bookworms Library: Stage 3: 1,000 Headwords: The Crown of Violet | " | 978-0-19-423001-8 | 2000 | John Escott | |