This crossword No. 12576 clues and answers were published on Tue 31 Aug 2010 and the puzzle can be visited by following The Guardian Quick Crossword No. 12576 link.
All Across Clues and Answers:
1-across – Study of populations : DEMOGRAPHY
7-across – Royal lady : PRINCESS
8-across – Footwear : BOOT
9-across – Not fully credible story : YARN
10-across – Overt and shameless : BLATANT
12-across – Maker and mender of sofas etc : UPHOLSTERER
14-across – Not sweet : SAVOURY
16-across – Animal droppings — small silvery fish : SCAT
19-across – Oversupply : GLUT
20-across – Explosion of emotion : OUTBURST
21-across – Child’s gun : PEASHOOTER
All Down Clues and Answers:
1-down – Austen’s personification of Pride : DARCY
2-down – Stag in Landseer picture : MONARCH
3-down – See 2 : GLEN
4-down – Sheer — unqualified : ABSOLUTE
5-down – Ingrained behaviour : HABIT
6-down – Woodworker : JOINER
11-down – Wonderful : GLORIOUS
12-down – Lacking the required capacity : UNABLE
13-down – Tell — check on election result : RECOUNT
15-down – See 2 : OFTHE
17-down – Device using electrified darts to stun : TASER
18-down – German boy’s name : OTTO
This crossword has in total 23 where 11 are across and 12 are down.