This crossword No. 588 clues and answers were published on Sun 24 Dec 2006 and the puzzle can be visited by following The Guardian Speedy Crossword No. 588 link.
All Across Clues and Answers:
1-across – Everywhere : FARANDWIDE
7-across – Flexible : ELASTIC
8-across – Chew : CHAMP
10-across – Cheeky child : TYKE
11-across – Small amphibious rodent : WATERRAT
13-across – : FATCAT
15-across – Husband : OLDMAN
17-across – Light bluish-purple : LAVENDER
18-across – Destroy : RUIN
21-across – Evergreen S American tree, also called maté : YERBA
22-across – Valedictory : ELEGIAC
23-across – A demand or claim on one : CALLOFDUTY
All Down Clues and Answers:
1-down – Open : FRANK
2-down – Register of names for duties : ROTA
3-down – Delicious drink : NECTAR
4-down – In a mischievous way : WICKEDLY
5-down – A grid, Ma? : DIAGRAM
6-down – Flaw in an otherwise admirable character : FEETOFCLAY
9-down – Pretend : PUTONANACT
12-down – Central piece of rigging : MAINSAIL
14-down – Greek inn : TAVERNA
16-down – Concerning this : HEREOF
19-down – Federate : UNIFY
20-down – Bill of fare : MENU
This crossword has in total 24 where 12 are across and 12 are down.