Rollo Tape Studies in Tape Reading
Humphrey Neill Tape Reading and Market Tactics
Humphrey Neill The Art of Contrary Thinking
Edwin Lefevre Reminiscences of a Stock Operator
Nicholas Darvas How I Made 2 Million Dollars Trading In the Stock Market
Marty Schwartz Pit Bull
Jack Schwager Market Wizards
Jack Schwager The New Market Wizards
Brokers, Bagmen and Moles
Charles MacKay Extraordinary Popular Delusions
Larry Phillips Zen and the Art of Poker
George Leonard Mastery
Mark Douglas Trading In the Zone
Robert Koppel The Intuitive Trader
Also don't underestimate the value of recording and reading through your trading journal regularly.