This crossword No. 24863 clues and answers were published on Sat 21 Nov 2009 and the puzzle can be visited by following The Guardian Prize Crossword No. 24863 link.
All Across Clues and Answers:
1-across – Writer fin de siècle? : PENURY
4-across – How a Roman Oedipus stated his problem? Grains of Paradise? : AMOMUM
9-across – Food for caterpillar : GRUB
10-across – Plenty of piety without love : GOODLINESS
11-across – Sailor’s tale backing sort of comedown : ABSEIL
12-across – Referring to recent arrival of gas at a lake : NEONATAL
13-across – Ironed over again : REPRESSED
15-across – Only the sound of music? : SOUL
16-across – Vote without sufficient leaders : RAGE
17-across – Disputed books causing an explosion without call for Heavy Artillery : APOCRYPHA
21-across – Computing system without disk in good health : CROMWELL
22-across – See if you can go as fast as I to get an inflorescence : RACEME
24-across – Old-fashioned sentimentality with group work by aliens? : CORNCIRCLE
25-across – Motor race makes the frightened lose head : INDY
26-across – Sun city? If only! : SOLELY
27-across – Georgian student mired in pollution : STALIN
All Down Clues and Answers:
1-down – Talks French about first two in Bible story : PARABLE
2-down – Good rise for the French : NOBLE
3-down – Star concerned with drawback : REGULUS
5-down – Small length with great weight : MILTON
6-down – Male lawman conservative? Has to be : MANDATORY
7-down – Fell into the grinder : MISCALL
8-down – Horse force, possible completion due : MOUNTEDPOLICE
14-down – Concerned with diet and exercise making one malinger : REGIMINAL
16-down – Puts new cover on for rose show : REROOFS
18-down – Flower as present … : CURRENT
19-down – …. some of which died, eaten by bird : HAMPDEN
20-down – Ealing production : GENIAL
23-down – Complaint about elevation : CHILL
This crossword has in total 29 where 16 are across and 13 are down.