Warlock 4
| Book | The Dervish Stone |
| Publisher | Penguin Books Ltd, Viking Penguin, Inc., Penguin Books Australia Ltd, Penguin Books Canada Ltd, Penguin Books (N.Z.) Ltd |
| Artist | Tim Sell, John Blanche, Bob Harvey, Alan Langford |
| Cover Art by | Alan Craddock |
| Production Director/Manager | Chris Brown (2) |
| Typeset by | Surrey Fine Art Press Ltd |
| Franchise | Fighting Fantasy |
| Printed by | Kingsdale Press Ltd |
| Designed by | Peter Ward |
| Editor in Chief | Ian Livingstone, Steve Jackson |
| Periodical Title | Warlock |
| First Published by | Penguin Books |
| Interview with/Interviewee | Iain McCaig |
| Copyright Holder | Steve Jackson and Ian Livingstone |
| Other | Tony Lacey, Philippa Dickinson |
| Contributor | Paul Struth |
| Format | Magazine |
| Language | English |
| Location | Harmondsworth, New York, Ringwood, Markham, and Auckland |
| Copyright | 1985 |
| Pages / Font | 23 pages |
| Price | Australia $2.50 (recommended) Canada $1.95 New Zealand $3.95 |
| Price | 95p |
| Volume Number | 1 |
| Issue Number | 4 |
Added by elahrairah