This crossword No. 12101 clues and answers were published on Fri 20 Feb 2009 and the puzzle can be visited by following The Guardian Quick Crossword No. 12101 link.
All Across Clues and Answers:
1-across – One arranging dance routines : CHOREOGRAPHER
8-across – Variety of lettuce : COS
9-across – Forever : ETERNALLY
10-across – Temporary runway : AIRSTRIP
11-across – Genuine : REAL
13-across – Deadly epidemic : PLAGUE
14-across – Cheap and ostentatious : FLASHY
16-across – Precipitation : RAIN
17-across – Unnecessary : NEEDLESS
20-across – Reacting to external stimuli : SENSITIVE
21-across – Levy : TAX
22-across – Organisation founded by William Booth : SALVATIONARMY
All Down Clues and Answers:
1-down – Bean used in making chocolate : COCOA
2-down – Derived from visual examination — noble aviators : OBSERVATIONAL
3-down – Containing many incidents : EVENTFUL
4-down – Celtic language : GAELIC
5-down – Female relative : AUNT
6-down – High spiral slide at fairground : HELTERSKELTER
7-down – With magnificent style : ROYALLY
12-down – Club : BLUDGEON
13-down – Sticklers for traditional rules : PURISTS
15-down – Historically powerful Florentine family : MEDICI
18-down – Three score : SIXTY
19-down – Capital of Peru : LIMA
This crossword has in total 24 where 12 are across and 12 are down.