Well, it is not a work of fiction but the book that changed my life in 1965 is "How I turned $1,000 into a Million in Real Estate in my Spare Time" by William Nickerson. He wrote updates as it went to $3M, then $5M.
"Probably the most famous book ever written on making money in real estate. William Nickerson and his book HOW I TURNED $1,000 INTO ONE MILLION IN REAL ESTATE IN MY SPARE TIME has probably created more millionaires than any other book in investing history. It simply is a masterpiece of common sense advice."
From:
Amazon.com
I have read at least half of the books listed. They are all well written (obviously) and captivating reads.