What is the main conflict in HITCHCOCK by Helen G. Scott?

"Hitchcock" by François Truffaut is a series of interviews between Truffaut and Alfred Hitchcock, which took place during a 50-hour period in the mid 1960s. The book's first printing was in 1967, almost a decade before Hitchcock stopped making films. Truffaut is a former film critic and a cinematic expert, making the author an outstanding choice to interview the Master of Suspense.