This crossword No. 12003 clues and answers were published on Mon 27 Oct 2008 and the puzzle can be visited by following The Guardian Quick Crossword No. 12003 link.
All Across Clues and Answers:
1-across – Not in capital letters : LOWERCASE
8-across – Fruit of the oak tree : ACORN
9-across – Become cheerful – ignite cigarette : LIGHTUP
10-across – Small book : PAMPHLET
11-across – Release fastening : UNDO
13-across – Tittle-tattle : GOSSIP
14-across – Apple – colour : RUSSET
16-across – Cut of meat from lower back : LOIN
17-across – Protective pad placed beneath plates at meals : TABLEMAT
19-across – Card game of the rummy family : CANASTA
20-across – Housey-housey : BINGO
21-across – County of the white rose : YORKSHIRE
All Down Clues and Answers:
1-down – Person or thing essential to plan : LINCHPIN
2-down – Pocket case for money and documents : WALLET
3-down – Great anger : RAGE
4-down – Great surprise : ASTONISHMENT
5-down – Taking advantage – optional exit : EXPLOITATION
6-down – Carefree : HAPPYGOLUCKY
7-down – Representative or head of a high authority : COMMISSIONER
12-down – Easily taken in : GULLIBLE
15-down – US island state : HAWAII
18-down – Egyptian goddess – Thames at Oxford : ISIS
This crossword has in total 22 where 12 are across and 10 are down.