Mr. X
| Author | Peter Straub |
| Genre | Fiction, Novel, Horror |
| Original Language | English |
| First published | 1999 |
| Notes | Mr. X is a 1999 novel by American writer Peter Straub. |
Editions 2
Add Edition | Mr. X | Paperback | Toronto, Canada | 1999 | |
 | Mr. X | Hardback | English |
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