This should be at the very top.
Jack Bogle also has great books (including audiobooks) to learn from, albeit dense.
`Common Sense on Mutual Funds` is an excellent treatise to the mantra of `time in the market is always superior to timing the market.` Vanguard continues to rocket to the top in every fund market it enters because people are sick and tired of slick salesmen masquerading as financial advisors.