This crossword No. 592 clues and answers were published on Sun 21 Jan 2007 and the puzzle can be visited by following The Guardian Speedy Crossword No. 592 link.
All Across Clues and Answers:
1-across – Thick roll, usually toasted : MUFFIN
4-across – Choux pastry cream cake : ECLAIR
8-across – Large wall painting : MURAL
9-across – In baseball, it allows batter to move through all bases : HOMERUN
10-across – Material between surface and bedrock : SUBSOIL
11-across – Make void : ANNUL
12-across – Take something on, eschewing any help : GOITALONE
17-across – Disney classic of 1941 : DUMBO
19-across – Unrecoverable sum of money owed : BADDEBT
21-across – Codger : OLDFOGY
22-across – Final stage of insect development : IMAGO
23-across – Complain loudly and persistently : YAMMER
24-across – Stick one’s nose in : MEDDLE
All Down Clues and Answers:
1-down – Plant genus popularly extended to the Acacia : MIMOSA
2-down – Arsonist : FIREBUG
3-down – Inuit ice house : IGLOO
5-down – Harpsichord : CEMBALO
6-down – Pinafore : APRON
7-down – Gnaw away at : RANKLE
9-down – Prevent an approach : HOLDATBAY
13-down – Bed having metallic element in… : IRONORE
14-down – …re medal? : EMERALD
15-down – Foolish act : IDIOCY
16-down – Serving no useful purpose : OTIOSE
18-down – Precocious little girl : MADAM
20-down – Propel : DRIVE
This crossword has in total 26 where 13 are across and 13 are down.