Just ordered 3 of his books, two more to go:

Douglas E. Pike was a leading historian and foremost scholar on the Vietnam War and the Viet Cong based at Texas Tech University from 1997, was director of the Indochina Archive at the University

Pavn: People's Army of Vietnam

Viet Cong: The Organization and Techniques of the National Liberation Front of South Vietnam

History of Vietnamese Communism, 1925-76 (Histories of ruling Communist parties)

Vietnam And The Soviet Union: Anatomy Of An Alliance (Not ordered)

War, Peace, and the Viet Cong (not ordered)