This crossword No. 10290 clues and answers were published on Tue 29 Apr 2003 and the puzzle can be visited by following The Guardian Quick Crossword No. 10290 link.
All Across Clues and Answers:
1-across – Inflammation of nasal cavities : SINUSITIS
8-across – Inn : HOTEL
9-across – Prime minister – hero of Kidnapped : BALFOUR
10-across – Scope : LATITUDE
11-across – People : FOLK
13-across – Make certain : ENSURE
14-across – Stupidly jingoistic : GUNGHO
16-across – Spanish painter : GOYA
17-across – Compassionate : MERCIFUL
19-across – Shoe repairer : COBBLER
20-across – : LYRIC
21-across – Arctic carnivore : POLARBEAR
All Down Clues and Answers:
1-down – Alone : SOLITARE
2-down – Not a soul : NOBODY
3-down – Be grumpy and unsociable : SULK
4-down – Public road : THOROUGHFARE
5-down – It is fortuitous and fortunate : STROKEOFLUCK
6-down – Sporting trophy : CHALLENGECUP
7-down – Showy item meant to impress : STATUSSYMBOL
12-down – Brawny : MUSCULAR
15-down – Funeral vehicle : HEARSE
18-down – Aspersion : SLUR
This crossword has in total 22 where 12 are across and 10 are down.