Dayworld Breakup
| Book | Dayworld Breakup |
| Copyright Holder | Philip José Farmer |
| Cover Art by | Chris Foss |
| Series | Dayworld |
| Publisher | HarperCollins, Collins Publishing Group |
| First Published by | HarperCollins Publishers, Tom Doherty Associates, Inc. |
| Printed by | HarperCollins Manufacturing, Glasgow |
| Format | Hardback |
| Language | English |
| Location | UK |
| Copyright | 1990 |
| This Edition Published | 1992 |
| Pages / Font | 400 pages |
| Series Number | 3 |
| ISBN | 0-246-13739-8 |
| Barcode | 9 780246 137395 |
Added by Supernaut1970