Wolfgang Riebe
Greg Habstritt & Napoleon Hill
John Wiley & Sons, Inc.
Mel Robbins
Walter Isaacson
David Cohne
Martin Meadows
Jason Nazar & Rochelle Bailis
Malcolm Gladwell
Millionaire MBA
Robert T. Kiyosaki
Robert Greene & Joost Elffers
Dr. Dan Ariely
Devin Thorpe
James Clear
Charles Duhigg
Matthew Harvey
Sebastian Goodwin