sentences:  Mather's first novel, "The Achilles Affair" (1959), was a minor best-seller, and his second, "The Pass Beyond Kashmir" (1960), which received glowing reviews from Ian Fleming and Erle Stanley Gardner, did even better.Ernest Hemingway owned copies of both these novels.Mather's espionage thrillers can be read separately, but are linked to each other by recurring characters, in particular the sardonic and resourceful British agent Idwal Rees, who appears in "The Pass Beyond Kashmir", "The Terminators" and "Snowline".