Beneath Nightmare Castle
| Imprint | Puffin Books |
| Other | Steve Jackson and Ian Livingstone |
| Series | Fighting Fantasy |
| Cover Art by | Terry Oakes |
| Illustrator | Dave Carson |
| Publisher | Penguin Group |
| Printed and Bound by | Cox & Wyman Ltd |
| Typeset by | Rowland Phototypesetting Ltd |
| Format | Mass-Market Paperback |
| Language | English |
| Location | London; New York, NY; Markham, Ontario; Ringwood, Victoria; Auckland |
| Copyright | 1987 |
| Pages / Font | Linotron Palatino |
| Series Number | 25 |
| Price | UK £3.50 / CAN. $4.95 / NZ $7.95 (incl. GST) |
| Printer's Key | 5 7 9 10 8 6 |
Added by elahrairah