5  Philosophy with appeal hard to top (6)

 9  Unwanted scales no good outside with onset of rain (8)

10 Protect company working across Columbia (6)

11 Grave robber maybe old with unpleasant smell and odd ears (7)

12 Cooks or warms vegetables (7)

13 Want the French to train in embroidery (11)

16 A remedy involving quietly posh provider of breast feeding support originally utilised alternative therapy (11)

21 Foreign Office charges include new dishes (7)

22 Hard to get into taxi with Long Island Special to drink (7)

23 Pictures of rampant ageism (6)

24 Paid for part of fish served across Norway (8)

25 Harringey's erroneously covered hot spring (6)

26 Opposites in poems (8)

 1  Book reviews (6)

 2  Periods when insects eat nitrogen (6)

 3  Roams around with a navy crew member (7)

 4  Very loud serve roughly returned second after European comes to the boil (11)

 6  Self-indulgent action in hallucination following ecstasy shot (3-4)

 7  Pacino to single-mindedly hold back in part of even tension (8)

 8  Gives alien square phone parts (8)

12 Man-flu tonic fixed defective performance (11)

14 Strange affair follows great uprising (8)

15 When in Paris a rector gets conclusion to tricky dilemma (8)

17 UK university the Spanish repeatedly return to for something that's plucked (7)

18 Beans and cheese with a coating of marmite (7)

19 Colt beat Society Falls into place (6)

20 Murmurings as one journalist returns to Sun (6)