Never before have investors and policy makers been beset by so many conflicting messages about the economy and the markets. While most pundits dismiss the conflicts as “noise” in the system, Mohamed A. El-Erian, president and CEO of the $35 billion Harvard Endowment and incoming co-CEO and co-CIO of PIMCO, one of today’s most successful investment firms, avers that those messages signal deep, structural changes and realignments that are radically redefining the investment game.

Written by the man who Fortune magazine refers to as a “Global Guru,” When Markets Collide offers a cogent picture of the rapidly changing world financial system. A book that is sure to become an overnight investment classic, it gets you up to speed on the new economic and investing landscape and provides a detailed blueprint for capitalizing on the phenomenal opportunities now available in that new investment landscape, while minimizing the new and challenging set of risks.

Raghuram Rajan was one of the few economists who warned of the global financial crisis before it hit. Now, as the world struggles to recover, it’s tempting to blame what happened on just a few greedy bankers who took irrational risks and left the rest of us to foot the bill. In Fault Lines, Rajan argues that serious flaws in the economy are also to blame, and warns that a potentially more devastating crisis awaits us if they aren’t fixed.

Rajan shows how the individual choices that collectively brought about the economic meltdown–made by bankers, government officials, and ordinary homeowners–were rational responses to a flawed global financial order in which the incentives to take on risk are incredibly out of step with the dangers those risks pose. He traces the deepening fault lines in a world overly dependent on the indebted American consumer to power global economic growth and stave off global downturns. He exposes a system where America’s growing inequality and thin social safety net create tremendous political pressure to encourage easy credit and keep job creation robust, no matter what the consequences to the economy’s long-term health; and where the U.S. financial sector, with its skewed incentives, is the critical but unstable link between an overstimulated America and an underconsuming world.

In Fault Lines, Rajan demonstrates how unequal access to education and health care in the United States puts us all in deeper financial peril, even as the economic choices of countries like Germany, Japan, and China place an undue burden on America to get its policies right. He outlines the hard choices we need to make to ensure a more stable world economy and restore lasting prosperity.

As Robert Shiller’s new 2009 preface to his prescient classic on behavioral economics and market volatility asserts, the irrational exuberance of the stock and housing markets “has been ended by an economic crisis of a magnitude not seen since the Great Depression of the 1930s.” As we all, ordinary Americans and professional investors alike, crawl from the wreckage of our heedless bubble economy, the shrewd insights and sober warnings, and hard facts that Shiller marshals in this book are more invaluable than ever.

The original and bestselling 2000 edition of Irrational Exuberance evoked Alan Greenspan’s infamous 1996 use of that phrase to explain the alternately soaring and declining stock market. It predicted the collapse of the tech stock bubble through an analysis of the structural, cultural, and psychological factors behind levels of price growth not reflected in any other sector of the economy. In the second edition (2005), Shiller folded real estate into his analysis of market volatility, marshalling evidence that housing prices were dangerously inflated as well, a bubble that could soon burst, leading to a “string of bankruptcies” and a “worldwide recession.” That indeed came to pass, with consequences that the 2009 preface to this edition deals with.

Irrational Exuberance is more than ever a cogent, chilling, and astonishingly far-seeing analytical work that no one with any money in any market anywhere can afford not to read–and heed.