This crossword No. 12597 clues and answers were published on Fri 24 Sep 2010 and the puzzle can be visited by following The Guardian Quick Crossword No. 12597 link.
All Across Clues and Answers:
1-across – Snug : COSY
3-across – Immediate treatment for the wounded : FIRSTAID
9-across – Large snake : SERPENT
10-across – Incendiarism : ARSON
11-across – The same again! : DITTO
12-across – Tolerate : ENDURE
14-across – Someone may be listening! : WALLSHAVEEARS
17-across – Root vegetable : CARROT
19-across – Stone : ONSET
22-across – Contagious fear : PANIC
23-across – Go forward : ADVANCE
24-across – Put at risk : ENDANGER
25-across – Tepid : WARM
All Down Clues and Answers:
1-down – Dishearten : CASTDOWN
2-down – Small food fish : SPRAT
4-down – Where life is exciting and highly pressured : INTHEFASTLANE
5-down – Calm, respectable and unadventurous : STAID
6-down – Central European republic : AUSTRIA
7-down – Finished : DONE
8-down – Convicted criminals : FELONS
13-down – Contour line of equal temperature : ISOTHERM
15-down – Well-read : LEARNED
16-down – Develop gradually : EVOLVE
18-down – Toxin derived from castor oil seeds : RICIN
20-down – Father Christmas : SANTA
21-down – Fencing sword : EPEE
This crossword has in total 26 where 13 are across and 13 are down.