What is the name of the 1957 novel by John D. MacDonald from which 'Cape Fear' was adapted?

de Niro in the 91 film was awesome as a the brute.

I have yet to see DeNiro in Cape Fear. I just can't imagine him saying "howdy counselor". It gives me the chills just thinking about it.

rafter, you were right the first time- it was Robert Mitchum