The alarm sounds. Waves three, four, five times the height of the two brothers roll towards them from the deep end. Low hum of the machine that generates the waves from somewhere unseen. Shankill Leisure Centre. Their father has brought them here, sits in the viewing gallery in his Liverpool tracksuit while the boys jump into the waves from the shallow end. The younger brother has never seen him in swimming trunks, let alone in the water. He doesn’t want to believe it but he’s sure their ...