This crossword No. 12628 clues and answers were published on Sat 30 Oct 2010 and the puzzle can be visited by following The Guardian Quick Crossword No. 12628 link.
All Across Clues and Answers:
1-across – Oscars : ACADEMYAWARDS
8-across – Bribe : BUNG
9-across – Laid low : STRICKEN
10-across – Lack of harmony : DISSONANCE
12-across – Decontaminate : PURIFY
14-across – Moving rapidly : FLYING
15-across – If I were to express an opinion … : FORMYMONEY
19-across – Periodical publication : MAGAZINE
20-across – Accomplished : DONE
21-across – In a conclusive way : ONCEANDFORALL
All Down Clues and Answers:
2-down – Prudent : CAUTIOUS
3-down – French impressionist painter, d. 1917 : DEGAS
4-down – Building work in stone : MASONRY
5-down – Pinny : APRON
6-down – Toxophily : ARCHERY
7-down – Consider : DEEM
11-down – Hellish : INFERNAL
13-down – Puff up : INFLATE
14-down – Blank page at the beginning or end of a book : FLYLEAF
16-down – Niger : REIGN
17-down – More strange : ODDER
18-down – Young deer — colour : FAWN
This crossword has in total 22 where 10 are across and 12 are down.