This crossword No. 11717 clues and answers were published on Mon 26 Nov 2007 and the puzzle can be visited by following The Guardian Quick Crossword No. 11717 link.
All Across Clues and Answers:
1-across – See 14 : REVISITED
8-across – Book by Evelyn Waugh : SCOOP
9-across – Vacuum flask : THERMOS
10-across – Engine attached to boat : OUTBOARD
11-across – Vent : FLUE
13-across – Vacillate : DITHER
14-across – Book by Evelyn Waugh : BRIDES
16-across – Ditto : SAME
17-across – Cause of change, itself unchanged : CATALYST
19-across – Wealthy : OPULENT
20-across – Housey-housey : BINGO
21-across – Deprive of water : DEHYDRATE
All Down Clues and Answers:
1-down – Censured : REPROVED
2-down – Devotee : VOTARY
3-down – Look for : SEEK
4-down – Sequel : TUMBLEDRYING
5-down – Permission to break a rule : DISPENSATION
6-down – Perfectly behaved : ASGOODASGOLD
7-down – Method of resuscitation : MOUTHTOMOUTH
12-down – Explanatory foreword : PREAMBLE
15-down – Italian city, home of Virgil : MANTUA
18-down – See 14 : HEAD
This crossword has in total 22 where 12 are across and 10 are down.