This crossword No. 23089 clues and answers were published on Sat 13 Mar 2004 and the puzzle can be visited by following The Guardian Prize Crossword No. 23089 link.
All Across Clues and Answers:
9-across – Where firewood stacked in valley, nothing acceptable : INGLENOOK
10-across – Saw the era of commercialism? : ADAGE
11-across – Beau literally captured by savages, terrified : GESTE
12-across – Watcher of words in editorial about rip-off : LIPREADER
13-across – Poor grade should be marked up as entertainment : FUNFAIR
14-across – Shake tambourine, not the Guardian’s, but closely related : AMBIENT
17-across – Teacher finds beast incomplete … : RABBI
19-across – … but the complete female to take drugs? : DOE
20-across – Heading for torture, instrument a source of discomfort : THORN
21-across – Former lover can court when long gone : EXTINCT
22-across – Select composition for a keyboard instrument : CELESTA
24-across – Design of RAF engineer not popular, no battery : FREERANGE
26-across – Sob about river of promotional text : BLURB
28-across – Study of note, impromptu duet : ETUDE
29-across – Hairy beast found thanks to natural selection? : TARANTULA
All Down Clues and Answers:
1-down – 3 captain’s duty to grass : SING
2-down – Pushes when timer’s set for 3 1/2 minutes? : EGGSON
3-down – For whom offer of offal would produce a negative response, primarily : VEGETARIAN
4-down – 3 sliding boot in posh car : ROLLER
5-down – Snow vehicle should avoid part of motorway : SKIPLANE
6-down – 3 checkout strip stripped : BARE
7-down – VI – IX II = US city : SANDIEGO
8-down – 3 midwife, perhaps, finds 19 across : DEER
13-down – 3 lucky to be strong : FORTE
15-down – Courage needed to rely on something green : BOTTLEBANK
16-down – Bearing found in gear of ancient Roman islands : TONGA
18-down – Blandish mountain goat? : BUTTERUP
19-down – Set off to wrap film in present : DETONATE
22-down – Sob about woman one stoned : CHERRY
23-down – Shed, during drink, put a sock in it! : SHUTUP
24-down – 3 served in lit spirit to provide nourishment : FEED
25-down – 3 shown to grass : REED
27-down – 3 islands offering beastly sounds : BAAS
This crossword has in total 33 where 15 are across and 18 are down.