This crossword No. 560 clues and answers were published on Sun 11 Jun 2006 and the puzzle can be visited by following The Guardian Speedy Crossword No. 560 link.
All Across Clues and Answers:
1-across – A supporter of literature? : BOOKSHELF
8-across – Icon : IMAGE
9-across – Black-headed small European songbird : COALTIT
10-across – Jumps farther : OUTLEAPS
11-across – Welsh river : TAFF
13-across – Deserved : EARNED
14-across – Citizen of a former Soviet republic : KAZAKH
16-across – Give off : EMIT
17-across – Precipitation : RAINFALL
19-across – Sprites : FAIRIES
20-across – Cheat or trick : COZEN
21-across – Agent : NEGOTIANT
All Down Clues and Answers:
1-down – Travel guide book : BAEDEKER
2-down – Take possession : OCCUPY
3-down – False : SHAM
4-down – Lavish display : EXTRAVAGANZA
5-down – Best that is obtainable : FATOFTHELAND
6-down – Become personally entrenched : DIGONESELFIN
7-down – Debasing : BASTARDISING
12-down – Lining of a wood-panelled wall : WAINSCOT
15-down – Biliousness : NAUSEA
18-down – Nub : GIST
This crossword has in total 22 where 12 are across and 10 are down.