Wayne Gordon

When ex-soldier turned mercenary, John Gold, learns of the murder of his best friend, he sets off on a mission to find out what happened. What he discovers is a sinister conspiracy and he sets about taking down those responsible one by one.

A young British widow shelters an old medical school colleague, a man who has somehow turned himself invisible. As his isolation grows and his sanity frays, he schemes to create a reign of wanton murder and terror across the city - and she's the only one who knows that he even exists.