Harvard University Press

The main driver of inequality--returns on capital that exceed the rate of economic growth--is again threatening to generate extreme discontent and undermine democratic values. Thomas Piketty's findings in this ambitious, original, rigorous work will transform debate and set the agenda for the next generation of thought about wealth and inequality.

Though the revised edition of A Theory of Justice, published in 1999, is the definitive statement of John Rawls's view, much of the extensive literature on his theory refers to the first edition. This reissue makes it once again available for scholars and serious students of Rawls's work.

These ten letters by Rainer Maria Rilke speak directly to the young, offering unguarded thoughts on such diverse subjects as creativity, solitude, self-reliance, living with uncertainty, the shallowness of irony, the uselessness of criticism, career choices, sex, love, God, and art (which is only another way of living, Rilke writes).

Histories of the book often move straight from the codex to the digital screen. Left out is nearly 150 years of audio recordings. Matthew Rubery uncovers this story, from Edison to today's billion-dollar audiobook industry, and breaks from convention by treating audiobooks as a distinctive art form that has profoundly influenced the way we read.

If existing models of the structure of the universe are correct, then 85 percent of the cosmos comprises a substance called dark matter. Yet no direct evidence of dark matter exists. Award-winning science journalist Govert Schilling details the quest to detect dark matter and how the search has helped us to understand the universe we inhabit.

Providing a basic income to everyone, rich or poor, active or inactive, was advocated by Paine, Mill, and Galbraith but the idea was never taken seriously. Today, with the welfare state creaking, it is one of the world's most widely debated proposals. Philippe Van Parijs and Yannick Vanderborght present a comprehensive defense of this radical idea.