https://www.mercurynews.com/2019/04/09/tim-cook-biography-looks-at-apple-vs-fbi-and-cook-vs-steve-jobs/

The main thread in a new biography of Tim Cook is he is a man of principle.

Nowhere was that more apparent than during Apple’s battle with the FBI in 2016, suggests author Leander Kahney in “Tim Cook: The Genius Who Took Apple to the Next Level,” an unauthorized biography of the Apple CEO that features interviews with company insiders.