AutoriStephen R. Covey2Iyanla Vanzant2Brian L. Weiss2Don Gabor1Mary Buffett1I. A. Horowitz1Patricia Garfield1David Gardner1Beth Kobliner1Norman Monath1Mary Ellen Siegel1Tony Jeary1Ben Hogan1Richard Ferber1Elaine Gavalas1Brad Gilbert1Rosemary Gladstar1Niels H. Lauersen1Anthony J. Rudel1Kevin Kunz1Vimala Rodgers1Anthony Robbins1Michele Weiner-Davis1Jacob Weisberg1Joel Greenblatt1Thomas Pickering1Sean Covey1Martin Gelbard1Henry J. Heimlich1Michel Georis1Gary Zukav1