Trying to socially engineer the world's population is not easy, especially when you discover that a pair of reluctant time travellers keep on getting in the way of your plan.The problems all started when James Urquhart, science lecturer, living in 2015, was enjoying a walk in the countryside and met Elizabeth Bicester, a Victorian Cambridge graduate, at a cricket match at Hamgreen in 1873. Of course, he didn't know it was 1873. All he knew was that...