Across

7. Piano books, in mostly wonderful key, join metals (4, 4)

9. Good animal disease initially strengthens units (6)

10. Canal Zone meets Arkansas emperor (4)

11. Liberal writer in outstanding month? Certainly not the end of June (4-6)

12. Mathematician's bird found in prison, nearly (6)

14. Imperfectly formed in conversation about ocean wildlife's end (8)

15/22. Don't laugh at Pat if he creaks, for example, when twisted (4, 1, 8, 4)

17. Show off, surrounded by poles and empty obstacle with which you shouldn't sink (8)

19. Ridges are around alien spades (6)

21. Anna, for example, has friend in dead-end capital (10)

22. See 15

23. Northern box offi ce's old money (6)

24. Marilyn is moved to take in unsatisfactory, inspirational person (8) 5 6

Down

1. Nothing, nothing brought up in Babylonian god's parasites (6)

2. Small sailor to perform excellently (4)

3. Plant's image? (8)

4. Turkish title's minute integrated circuit is parthenogenetic (6)

5. Globe God created with no wasteful activity (10)

6. A nuisance in suitable part of the brain (8)

8. Complete tool? Indeed — why set off? (4-2-3-4)

13. Covers with letters in preference to liturgy in working storage (10)

15. Go off with anorak for animal (8)

16. Scale of an American League girl (8)

18. A private meeting to crowd together (6)

20. Ouch! No oxygen going in before game (6)

22. Discovery of dwarf in Dallas (4)

Solution