SOLUTION TO PUZZLE No. 8593:

ACROSS: 1 Crosswords; 6 Acre; 10 Redhead; 11 Airport; 12 Strolling; 13 Sonia; 14 Shown; 15 Sad ending; 17 Likely lad; 20 Hared; 21 Costs; 23 Trumped up; 25 Implode; 26 Emanate; 27 Nora; 28 Astringent.

DOWN: 1 Cards; 2 Order-book; 3 Spelling lesson; 4 Ordains; 5 Dragged; 7 Crown; 8 Estranged; 9 Prison chaplain; 14 Selection; 16 Irradiate; 18 Letters; 19 Douceur; 22 Super; 24 Pleat.