Don Paterson is one of our most acclaimed contemporary poets, possessed of "an infinite sensitivity to the world" (Zadie Smith). But his current standing gives few hints of his hilariously misspent youth. An indifferent student prone to obsessions (with girls at school and . . . origami), Paterson nevertheless made clear early on his immense gift for observation. In Toy Fights, he vividly re-creates the customs of the Scottish working class, from...