Mostly Harmless
| Book | Mostly Harmless |
| First Published by | William Heinemann Limited |
| Typeset by | Falcon Graphic Art Ltd |
| Series | The Hitchhiker's Guide To The Galaxy |
| Printed and Bound by | BPCC Paperbacks Ltd. |
| Publisher | Pan Books |
| Copyright Holder | Serious Productions Limited |
| Format | Paperback |
| Language | English |
| Location | London |
| This Edition Published | 1993 |
| Pages / Font | 219 pages |
| ISBN | 0 330 32311 3 |
| Barcode | 9 780330 323116 |
| Price | £4.99 UK |
| Price | $6.99 CAN |
| Printer's Key | 3 5 7 9 8 6 4 2 |
| Series Number | 5 |
Added by Langdale68