Mostly Harmless
| Book | Mostly Harmless |
| Series | The Hitchhiker's Guide to the Galaxy |
| Publisher | Harmony Books |
| Author photo/portrait | Red Saunders |
| Cover Art by | Peter Cross |
| Format | Hardback |
| Language | English |
| Location | New York |
| Copyright | 1992 |
| Pages / Font | 277 pages |
| ISBN 10 | 0517577402 |
| Barcode (EAN) | 9780517577400 |
| EAN 5 | 90000 |
| Barcode (UPC) | 045863577405 |
| UPC 5 | 57740 |
| Price | $20.00 |
| Notes | First Edition |
Added by BenBogart · Last edited by catfish27