The Investor's Quotient: The Psychology of Successful Investing In Stocks and Commodities, Second Edition,  written by Jake Bernstein. Hardcover book, 290 pages. Published by John Wiley & Sons in 1993, printed in the USA.

Book and dust jacket are in fine / like new condition with no visible defects or wear.

From the dust jacket: "This unique, fully revised guide to the psychology of trading and investing explains how, regardless of even the best system, the weakest link in the chain is always the trader—in particular, the trader’s self-discipline and self-control. To help you shore up your defenses, this authoritative but jargon-free mental toughness training manual offers a complete and highly effective investment psychology regimen that interweaves psychoanalysis, learning theory, social psychology, creative visualization, and hard-earned trading savvy..."