This crossword No. 12136 clues and answers were published on Thu 02 Apr 2009 and the puzzle can be visited by following The Guardian Quick Crossword No. 12136 link.
All Across Clues and Answers:
1-across – Buyer beware! : CAVEATEMPTOR
9-across – Pathogen — computing menace : VIRUS
10-across – Relating to pottery : CERAMIC
11-across – Be transported : RIDE
12-across – Relating to local area : REGIONAL
14-across – : OPENLY
15-across – Emergence — exit : EGRESS
18-across – Insane : DERANGED
20-across – Beatle : JOHN
22-across – Person in charge of dog etc : HANDLER
23-across – Assumed name : ALIAS
24-across – Canaan — where one hopes to find happiness : PROMISEDLAND
All Down Clues and Answers:
2-down – Shorten : ABRIDGE
3-down – Otherwise : ELSE
4-down – Authorisation for travel, theatre etc : TICKET
5-down – Wedlock : MARRIAGE
6-down – Athenian in Shakespeare play : TIMON
7-down – Absence of caution : RECKLESSNESS
8-down – Superior feudal position : OVERLORDSHIP
13-down – Welsh town : LLANELLI
16-down – Deterioration of soil etc : EROSION
17-down – Beatle : GEORGE
19-down – Beatle : RINGO
21-down – Beatle : PAUL
This crossword has in total 24 where 12 are across and 12 are down.