This crossword No. 10311 clues and answers were published on Fri 23 May 2003 and the puzzle can be visited by following The Guardian Quick Crossword No. 10311 link.
All Across Clues and Answers:
5-across – Kleenex : TISSUEPAPER
7-across – Accompaniment for women and song? : WINE
8-across – Leaving no stone unturned : THOROUGH
9-across – Boffin : EGGHEAD
11-across – Pool of money – how Anne Frank addressed her diary : KITTY
13-across – Happy expression : SMILE
14-across – Early hominid : CAVEMAN
16-across – East African republic : DJIBOUTI
17-across – Confidential assistant : AIDE
18-across – Cheap and tawdry – type of cake : GINGERBREAD
All Down Clues and Answers:
1-down – Land surrounded entirely by water : ISLE
2-down – My old man’s occupation : DUSTMAN
3-down – Parody – hoaxing game : SPOOF
4-down – Apt : APPOSITE
5-down – What’s-its-name : THINGUMAJIG
6-down – Favouring the dexter, rather than the sinister, side : RIGHTHANDED
10-down – Recklessly determined : HELLBENT
12-down – Latin American instrument like a xylophone : MARIMBA
15-down – Warm covering for bed : DUVET
17-down – Summit – pinnacle : APEX
This crossword has in total 20 where 10 are across and 10 are down.