The Castle and the Key
| First published | 1967 |
|---|---|
| Publisher | Paperback Library |
| Format | Paperback |
| Type | Novel |
| Catalog ID | 52-454 |
| Cover art | Jerome Podwil |
| Pages | 158 |
| Price | $0.50 |
Stated 1st printing.
Cassandra Knye is a pseudonym of John Sladek alone, according to interview with the author from the fanzine Vector 112, February 1983.
Artist's signature on lower right of cover.
No ISBN on record — searching by title and author.