Believed Violent
| Book | Believed Violent |
| Copyright Holder | International Authors N.V. |
| Publisher | Panther, Panther Books, Panther Books Ltd |
| First Published by | Robert Hale & Company |
| Printed by | Cox & Wyman Ltd |
| Format | Paperback |
| Language | English |
| Location | UK |
| Copyright | 1968 |
| This Edition Published | 1970 |
| Pages / Font | 160 pages |
| ISBN | 586 02961 3 |
| Price | 5/- (25p) UK |
| Price | 80c Australia |
| Price | 75c New Zealand |
| Price | 60c South Africa |
Added by Supernaut1970