Follow Share Zenger Folkman This is the page of Zenger Folkman on 24symbols. Here you can see and read its books. 1 bookshelf 1 book Most read Most popular Add this book to bookshelf Add book Book added to the bookshelf Ok Something went wrong and the book couldn't be added to the bookshelf. Please try again later. Ok The Trifecta of Trust - The Proven Formula for Building and Restoring Trust Joseph R. Folkman