Anyone know of a book with Steiner as the main character?

Question

2nd world war novel where Steiner joins the foreign legion

Answer 1

ROLF STEINER is a West German national who joined the French Foreign Legion at age 17 and saw his first combat in Vietnam. His book, The Last Adventurer,* is an account of his experiences in the legion and later as a mercenary in Biafra and southern Sudan.