This crossword No. 12939 clues and answers were published on Sat 29 Oct 2011 and the puzzle can be visited by following The Guardian Quick Crossword No. 12939 link.
All Across Clues and Answers:
1-across – Gospel writer : LUKE
3-across – Meringue ingredient : EGGWHITE
9-across – Mexican dish of tortilla folded around a filling : BURRITO
10-across – Form : CLASS
11-across – Friendly Islands : TONGA
12-across – : GOSSIP
14-across – Dame __, English ballerina, d. 1991 : MARGOTFONTEYN
17-across – Person totting up the points : SCORER
19-across – Dirty water in bottom of boat — drivel — nonsense : BILGE
22-across – Drama set to music : OPERA
23-across – Type of duck — world speed record holding steam engine : MALLARD
24-across – Important piece in an arch : KEYSTONE
25-across – Person colouring cloth : DYER
All Down Clues and Answers:
1-down – Brain operation, once used to treat mental illness : LOBOTOMY
2-down – Sacred Islamic writings : KORAN
4-down – Former world heavyweight boxing champion who endorsed a line in Russell Hobbs grills : GEORGEFOREMAN
5-down – Woven cords used in candles : WICKS
6-down – John Lennon classic : IMAGINE
7-down – Eels : ELSE
8-down – Gilbert and Sullivan opera : MIKADO
13-down – Generate — green den : ENGENDER
15-down – Likely to collapse : RICKETY
16-down – Illegal delivery : NOBALL
18-down – Sunday lunch? : ROAST
20-down – Verdant : LEAFY
21-down – Toot one’s horn : HONK
This crossword has in total 26 where 13 are across and 13 are down.