Godel's Theorm of Incompleteness is familiar territory to the young South American mathematician who arrives in Oxford. Murder, however, is not. Yet, barely has he greeted his elderly landlady--and her rather luscious granddaughter--when he is bidding her a posthumous farewell. Mrs. Eagleton is murdered in her wheelchair. The only clue to the crime is a cryptic symbol and the words "the first of the series". . .