Get the Summary of Jack D. Schwager’s Unknown Market Wizards in 20 minutes. Please note: This is a summary & not the original book. Original book introduction: Unknown Market Wizards continues in the three-decade tradition of the hugely popular Market Wizards series, interviewing exceptionally successful traders to learn how they achieved their extraordinary performance results. The twist in Unknown Market Wizards is that the featured traders are individuals trading their own accounts. They are unknown to the investment world. Despite their anonymity, these traders have achieved performance records that rival, if not surpass, the best professional managers.