"I have no special talents," said Albert Einstein. "I am only passionately curious."

Everyone is born curious. But only some retain the habits of exploring, learning, and discovering as they grow older. Those who do so tend to be smarter, more creative, and more successful. So why are many of us allowing our curiosity to wane?

In Curious, Ian Leslie makes a passionate case for the cultivation of our "desire to know." Just when the rewards of curiosity have never been higher, it is misunderstood, undervalued, and increasingly monopolized by a cognitive elite. A "curiosity...