This crossword No. 11573 clues and answers were published on Mon 11 Jun 2007 and the puzzle can be visited by following The Guardian Quick Crossword No. 11573 link.
All Across Clues and Answers:
1-across – Of the highest security classification : TOPSECRET
8-across – Arrange in a row : ALIGN
9-across – Flier : LEAFLET
10-across – Picture in one’s mind : ENVISAGE
11-across – Fish’s breathing organ : GILL
13-across – Trade : BARTER
14-across – Go away! : BEATIT
16-across – Barren : ARID
17-across – Nourishing substance : NUTRIENT
19-across – Make wet : MOISTEN
20-across – Advantage : AVAIL
21-across – Bargain : NEGOTIATE
All Down Clues and Answers:
1-down – Wolfram : TUNGSTEN
2-down – Secretion from throat : PHLEGM
3-down – Combination of style and vigour : ELAN
4-down – Rural canoodling : ROLLINTHEHAY
5-down – Gossip : TITTLETATTLE
6-down – Aquatic insect : WATERBOATMAN
7-down – What every cloud has : SILVERLINING
12-down – Become less : DECREASE
15-down – Old sum of money – west African republic : GUINEA
18-down – Engaged in something particular : ATIT
This crossword has in total 22 where 12 are across and 10 are down.