The Day After Judgment
| Hardcover first edition | |
| Author | James Blish | 
|---|---|
| Cover artist | Judith Ann Lawrence | 
| Language | English | 
| Series | After Such Knowledge trilogy | 
| Genre | Fantasy | 
| Publisher | Doubleday | 
| Publication date | 1970 | 
| Publication place | United Kingdom | 
| Media type | Print (Hardcover & Paperback) | 
| Pages | 166 | 
| OCLC | 1562480 | 
| Preceded by | A Case of Conscience Doctor Mirabilis Black Easter | 
The Day After Judgment is a 1970 fantasy novel by American writer James Blish. It is a sequel to the 1968 novel Black Easter: they have been subsequently republished in 1990 as a single book called The Devil's Day.