ACROSS
1. 'I Remember ---' by Richard Shaver (Amazing, March '45)
4. '--- Island' by Stanley Weinbaum (Astounding, Aug '36)
7. 'The --- Horror' by Henry Kuttner (Weird Tales, May '37)
8. 'The --- Gun' by Barrington J Bayley (DAW Books, 1983)
9. --- Saunders, author of 'Elsewhere' (Astounding, Sept '41)
10. '--- Sirius' by Fredric Brown (Captain Future, Spring '44)
12. 'Dime --- Magazine', originator of the Weird Menace genre
14. 'The Person from ---' by RF Jones (Astounding, Aug '47)
16. 'The Call of ---' by HP Lovecraft (Weird Tales, Feb '28)
20. '--- of the Beast' by AE Van Vogt (Astounding, Aug '40)
21. '--- Books', SF paperback imprint founded in 1980
22. 'Doctor ---', Weird Tales villain created by Paul Ernst
23. 'Sinister ---' by Eric Frank Russell (Unknown, March '39)
24. '--- Kane', Weird Tales hero created by Robert E. Howard

DOWN
1. 'Grey ---' by EE Smith (Astounding, Oct '39 - Jan '40)
2. '--- Two Moons' by Frederik Pohl (If, Sept '65)
3. '--- Stories', SF magazine founded by Gernsback in 1926
4. 'The --- Detective', a pulp hero who debuted in Feb '33
5. 'Game-Players of ---' by Philip K Dick (Ace Books, 1963)
6. --- Quinn, creator of Weird Tales detective Jules de Grandin
11. 'Cave City of ---' by Richard Shaver (Amazing, Sept '45)
13. 'Treasure of --- Ceti' by John Rackham (Ace Books, 1969)
14. 'Old Martian ---' by John Taylor (Science Fiction, June '42)
15. Henry ---, prolific writer for Astounding and other pulps
16. --- Fort, author of 'Lo!' (Astounding Apr - Nov '34)
17. 'Challengers of the ---', 1950s comic book by Jack Kirby
18. 'The --- Gods' by John W Campbell (Unknown, Oct '39)
19. 'Totem and ---' by Philip José Farmer (F&SF, Dec '54)