**O.C.** · O'Callaghan · S.C. · S.O.
| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Terror of the Triads | Paperback | 978-0-352-30437-7 | 1982 | Sean O'Callaghan |
| The Informer | " | 978-0-552-14607-4 | 1999 | " |
| The Informer | Hardcover | 978-0-593-04285-4 | 1998 | " |
| The Triads | Paperback | 978-0-352-31125-2 | 1978 | " |
| To Hell or Barbados: The ethnic cleansing of Ireland | " | 978-0-86322-287-0 | 2001 | " |
| To Hell or Barbados: The Ethnic Cleansing of Ireland | Hardcover | 978-0-86322-272-6 | 2000 | " |
Bantam Press · Brandon / Mount Eagle Publications Ltd · Corgi · Star