SOLUTION TO PRIZE CROSSWORD No 15,993:

ACROSS: 1 Round the bend. 8 Italics. 9 Tableau. 11 Tetrameter. 12 Wiki. 14 Toxaemia. 16 Plague. 17 Any. 19 Reagan. 21 Timorous. 24 High. 25 Adolescent. 27 Placebo. 28 Iron Age. 29 First-nighter. DOWN: 1 Road tax. 2 Unilateral. 3 Dyslexia. 4 Hotbed. 5 Baby. 6 Needing. 7 Dictatorship. 10 Universities. 13 Blood sport. 15 Ant. 18 Yielding. 20 Afghani. 22 Open-air. 23 Adjoin. 26 Mess.