What’s your favorite book?” I was asked the other day, a simple question that is calculus-difficult to answer.

Hardcovers that originally sold for $30 can be yours for the price of a candy bar. Paperbacks cost less than the digital version of the same title, with the added charm of possibly discovering the ...

From Jeff Bezos, Elon Musk and Mukesh Ambani to Mackenzie Scott and Warren Buffett, take a look at the billionaire homes of ...