Journey into Fear

Ambler's stories often delve into the grey areas of morality in spy work. I'm curious what motivated him to explore these themes in 'Journey into Fear'.

The story had moments of quiet tension that felt a bit slow but crucial for character development. Was that intentional to heighten the eventual payoff?

The backdrop of a war-torn environment added a layer of danger and unpredictability. I wonder how much of that was based on Ambler's experiences or research.