B.T.H. Xerxes is a fictitious author, created to fill out the anthology theme of an author for each letter, from Aldiss for A to Zelazny for Z.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1966 |
|
An ABC of Science Fiction | Four Square Books | Anthology | |
| November 1966 |
|
An ABC of Science Fiction | Four Square Books | Anthology | |
| December 1968 |
|
An ABC of Science Fiction | Avon | Anthology | |
| February 1971 |
|
An ABC of Science Fiction | Avon | Anthology |