There are lots of rules in the Bible. A.J. Jacobs decided to abide by them all. He followed the Ten Commandments. He strove to refrain from gossiping, lying and coveting. He stopped shaving and avoided wearing clothes made of mixed fibres. Did he choose this arduous path to be closer to God? No, he did it to sell a book. Because, if the publishing industry is right, deprivation is hip.

The Year of Living Biblically, Jacobs’s forthcoming chronicle of his yearlong quest to follow every mandate in the Bible, is just one of a recent flurry of “year of” books. Sara Bongiorni gave up buying Chinese products for A Year Without ‘Made in China’. Judith Levine gave up shopping altogether for Not Buying It. Barbara Kingsolver fed her family with what they could grow or source locally for Animal, Vegetable, Miracle. Ellen Currey-Wilson banned TV from the house for The Big Turnoff.

These experiments in doing without often result in paydays for the authors: The Year of Living Biblically is being made into a film by Paramount, and Animal, Vegetable, Miracle has been a New York Times best seller. So why is this a year of year-of books? One answer is that the more ethically motivated projects, like Kingsolver’s and Beavan’s, tap into growing concern about protecting the environment. Reading about their sacrifices makes us feel vicariously virtuous — we may not have the discipline to live without olive oil and spices, but at least we know we should. More-esoteric projects, like Jacobs’s, provide a sheer rubbernecking thrill while supplying easily digested information on a subject of common interest.

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