HomeTVNewsOprah to Release Book of ‘What I Know For Sure’ Columns Jillian Bowe March 17, 2014 News, OWN Oprah Winfrey is gearing up for book release close to the media titan's heart. Winfrey will publish What I Know for Sure, a collection of monthly essays she has written for O, The Oprah Magazine since it debuted in 2004. According to a press release, the book will focus on themes of possibility, joy and gratitude. The Mighty O based the title of her column on a conversation with late film critic Gene Siskel. The book is slated to hit stores Sept. 2. Leave a Reply Cancel Reply You must be logged in to post a comment.