The Oxford Murders

On a balmy summers day in Oxford an old lady who once helped decipher theEnigma Code is killed. After receiving a cryptic anonymous note containing onlythe addr... » 

On a balmy summers day in Oxford an old lady who once helped decipher theEnigma Code is killed. After receiving a cryptic anonymous note containing onlythe address and the symbol of a circle Arthur Seldom a leading mathematicianarrives to find the body. Then follow more murders an elderly man on a lifesupport machine is found dead with needle marks in this throat thepercussionist of an orchestra at a concert at Blenheim Palace dies before theaudiences very eyes seemingly unconnected except for notes appearing in themaths department for the attention of Seldom. Why is he being targeted as therecipient of these coded messages? All he can conjecture is that it mightrelate to his latest book an unexpected bestseller about serial killers andthe parallels between investigations into their crimes and certain mathematicaltheorems. It is left to Seldom and a postgraduate mathematics student to workout the key to the series of symbols before the killer strikes again. «