Queen Victoria's Gene: Haemophilia and the Royal Family D. M. Potts and W. T. W. PottsQueen Victoria's Gene: Haemophilia and the Royal Family D. M. Potts and W. T. W. Potts Phoenix Mill, Thrupp, Stroud, Gloucestershire: Sutton, 1995, viii + 183 p., US $17.95