| NUMBEROF | The -, 1980 novel by Robert A Heinlein (6,2) |
| THEBEAST | The -, 1980 novel by Robert A Heinlein (6,2,3,5) |
| UNIVERSE | 1941 novella by Robert A Heinlein republished in 1963 novel Orphans of the Sky (8) |
| REDPLANET | Novel by Robert A. Heinlein about a boarding school on Mars (3,6) |
| SPACECADET | 1948 novel by Robert A Heinlein (5,5) |
| GROK | Word for 'understand' coined by Robert A. Heinlein |
| CRETANLOVER | 'The -', 1980 novel by Jack Higgins (6,5) |
| ANSON | The A. in Robert A. Heinlein |
| STRANGER | Award-winning Robert Heinlein sci-fi novel: ___ in a Strange Land (8) |
| GOODNEWS | 1980 novel by Edward Abbey (4,4) |
| PRINCESS | '--- Daisy', 1980 novel by Judith Krantz (8) |
| LOONLAKE | and 23ac, 1980 novel by E L Doctorow (4,4) |
| PUFFBALL | 1980 novel by Fay Weldon |
| AGREED | "I never learned from a man who ___ with me": Robert A. Heinlein (6) |
| HUGOS | Robert A. Heinlein won several |
| SCIENCEFICTION | Literary genre associated with Robert A Heinlein |
| STARSHIP | "___ Troopers" (Robert Heinlein book) |
| UMBERTOECO | Writer of the 1980 novel, The Name of the Rose (7,3) |
| ECO | Umberto, author of the 1980 novel The Name of the Rose (3) |
| MIDDLEGROUND | The ____, a 1980 novel by Margaret Drabble, its central character a journalist called Kate Armstrong |
