With a list of his favorite books of 2016, Bill Gates offers some help to undecided readers seeking suggestions on the next title to add to their bookshelf.

Writing on his blog Gates Notes, the Microsoft Corp. (MSFT) founder said he has been reading a book a week since he was a young boy. Gates, 61, grew up in an era when there was no internet or smartphone to quickly satiate a child’s curiosity. “My parents had a set of World Book Encyclopedias, which I read through in alphabetical order,” he wrote. (See also: 10 Books Every Investor Should Read)

Now semi-retired, he seems to enjoy sharing his passion for books with his readers. Here are his favorites from this year:

1. String Theory by David Foster Wallace.

The book is a collection of Wallace's five essays on tennis, a sport that Gates has recently taken up again after giving up during his busy years at Microsoft. “The late author wielded a pen as skillfully as Roger Federer wields a tennis racket,” Gates wrote. The book includes profiles of Roger Federer and Tracy Austin.

2. Shoe Dog by Phil Knight.

In the memoir, Nike (NKE) founder Phil Knight opens up about his decision to set up the firm at the age of 24 and the shoe company’s evolution until its recent success. Gates, who called the book “an amazing tale,” said he appreciates the candid tones of the book. He said it is a “refreshingly honest reminder of what the path to business success really looks like: messy, precarious, and riddled with mistakes."

3. The Gene by Siddhartha Mukherjee

The book explores the history and ethics of genome science in a way that’s been defined by Nobel Prize winner Paul Berg as “a magnificent synthesis of the science of life, and forces all to confront the essence of that science as well as the ethical and philosophical challenges to our conception of what constitutes being human." Mukherjee, a Pulitzer Prize-winner and Columbia University professor, wrote this book for a lay audience, Gates commented. “Because he knows that the new genome technologies are at the cusp of affecting us all in profound ways.”

4. The Myth of the Strong Leader by Archie Brown

The book, written by an emeritus professor of politics at Oxford University, debunks the belief that strong leaders, who tend to dominate, are the most successful, while suggesting that those who are not perceived as “strong leaders” often make the biggest contribution to history. Although it was published two years ago “Brown could not have predicted how resonant his book would become in 2016,” Gates wrote. The author was delighted by Gates’s approval, according to The Guardian. “The myth of the strong leader is alive and well,” Brown said in an email to the newspaper. “It was a major factor in bringing us the looming reality of the presidency of a TV star,” he added referring to the election of Donald Trump. “So I believe that the arguments I make in The Myth of the Strong Leader do, as Gates suggests, have a particular resonance right now.”

At the end of his list, the business magnate offers a special mention for "The Grid," by cultural anthropologist Gretchen Bakke. Gates puts the book, which talks about America's electrical grid and energy infrastructure, in one of his favorite genres: “Books About Mundane Stuff That Are Actually Fascinating.” The Microsoft co-founder, who as a teenager wrote software for a company that controls the power grid in the Northwest, said the book does also provide a chance to think about the future of clean energy. “I think this book would convince you that the electrical grid is one of the greatest engineering wonders of the modern world,” he wrote. (See also: Bill Gates Net Worth)

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