| Answer | Crossword Clue |
|---|---|
| DOYLE | Author of the Barrytown Trilogy |
| ASIMOV | Author of "The Foundation Trilogy" |
| PEAKE | Author of "The Gormenghast Trilogy" |
| PAULAUSTER | Author of "The New York Trilogy" |
| MARTINAMIS | British author of the so-called "London Trilogy" |
| ADAMS | "The Hitchhiker Trilogy" author |
| ASIMOV | "The Foundation Trilogy" author |
