Contrary to popular belief, the main predictor of investment success isn't determined by your specific stock choices, or even the overall performance of the markets. Improving your investment returns isn't about asset allocation tricks or shiny new investment ideas that promise to beat the market.

Mindful Money takes a different approach from any investment book you've ever read, by focusing on the one item that's 100% under your control for accumulating long-term wealth: changing your financial behaviors.

In Mindful Money, Craig Verdi, CFP(R), president and...