SOLUTION TO PRIZE CROSSWORD No 15,717:

ACROSS: 1 Thinking cap. 9 Hormone. 10 Gunnery. 11 Ash. 12 Lowland. 13 Transit. 14 Tin. 15 Extol. 17 Stoic. 18 Ethic. 20 Oxbow. 22 Fur. 24 Detests. 25 Insured. 26 Sod. 27 Newgate. 28 Intends. 29 League table. DOWN: 1 Throw in the towel. 2 Iron Age. 3 Knead. 4 Nightclub. 5 Canvass. 6 Press conference. 7 Chalet. 8 Mystic. 16 Trousseau. 18 Ending. 19 Cassava. 21 Washtub. 23 Radish. 25 Idiot.