The number one Sunday Times bestseller

'A touching, tender tale of boy meets boy in the bleak tenements of Glasgow . . . Superb' - The Times 'Best Summer Reading'

'Love and hope across the religious divide in a fervent, gritty and emotionally engrossing novel' -The Guardian 'Best Reads For Summer'

'Writing of transcendent beauty' - The Financial Times 'Best Summer Books'

The extraordinary, powerful second novel from the Booker prizewinning author of Shuggie Bain, ...