Just bringing this to the top. Thanks to everyone who has helped out so far. All the clues below are places in the British Isles. I've got answers for some of them, but can't find the place on a map, so feel free to post any answers. Number of letters is given and also the probable starting letter (as they are in alphabetical order). 5. Loud noises from ships prison (9,4 C) 6. Irish county on the scrounge (8 D) 7. Not sober and knighted (10 D) 9. Pretend (4 D,E or F) 11. You would find these on a battlefield (8 G) 12. Totally bamboozled (4 G) 13. Landing place for helicopters (10 H) 14. Scottish dwelling? (5 H) 19. Could this describe a treasure hunt (8 M or N) 20. Imaginery creature (8 M or N) 28. Alas poor Yorick (5 S)