'How did Long John Silver Lose His Leg?' is a diverting tour through some of the bestloved classics of children's literature, addressing many of the unanswered questions that inspire intense speculation when the books are laid down. Could Bobbie's train really have stopped in time ('The Railway Children')? Did Beatrix Potter have the 'flu in 1909, and did this lead to a certain darkness in her work ('The Tale of Mr Tod')? Would the 'rugby football'...