Zondervan is a Christian media and publishing company based in Grand Rapids, Michigan. It was founded in 1931 by brothers William and Nicholas Zondervan and has since grown to become one of the largest Christian publishers in the world. Zondervan publishes a wide range of books, including Bibles, theology, fiction, nonfiction, children's books, and study guides. They have published bestselling authors such as Rick Warren, John Piper, and N.T. Wright. They are known for their strong focus on Christian themes and values, and for publishing books that are designed to help people grow in their faith and deepen their relationship with God. Zondervan is also the publisher of the popular "NIV" translation of the Bible, which is widely used and respected by scholars and pastors alike. The company is a division of HarperCollins Publishers.