Cryptic crossword No 1,037

Across

1. A lot of fuss resulting from month in Latvian job? (9)
2. Cross about ditch in front of house (5,3)
3. Worker with pride — they might be seen down pit (3,5)
4. Foe's other sword breaks (6,4)
5. Maine city home to leader of lobster fishers (7)
6. Owl flying close to the ground (3)
7. See 17d
8. Four aces Lendl smashed (7,5)
9. Endless quagmire on Western Front (3)
10. Make fully inactive! (7)
11. Review magazine covers books about wrecks (6)
12. Keeling over drunk aboard boat alongside French island (8,6)
13. Links course had an interesting name originally (5)
14. Something in the order of 27 x 17 (9)

Down

1. Millions are ultimately exterminated by one heartless alien (5,4)
2. Stone Age! (5)
3. See 9
4. See 12a
5. See 9a
6. King George, a German, creates artificial cave (6)
7. Sort out messy, mixed-up wardrobe, eventually (4)
8. Mythical sea creatures circling line (4,6)
9. With hint of seam, setter takes wicket for duck (4)
10. School seeking head/director (5)
11. See 20a
12. Futuristic entertainment served up in terrific show (3-2)
13. Happy girl eating last of flapjack (5)
14. Nice bed Juliett's found in crumbling northern hotel (4,7)
15. Non-striker backs up without looking, essentially (4)
16. Book of maps doesn't include Thailand? What a pity! (4)
17. Criminal perhaps caught with a lot of grass (6)
18. See 30a
19. School in a garret regularly enthralled by material (4-1-4)
20. Wife sick with panic about bill finally opening letter from taxman (5,4)
21. See 26
22. See 1
23. See 27
24. Something that is biting cold! (3)