Amazon.com: The Spanx Story: What's Underneath the Incredible Success of Sara Blakely's Billion Dollar Empire (The Business Storybook Series): 9781400216116: Wetzel, Charlie, Wetzel, Stephanie: Books
Spanx Founder Sara Blakely Just Identified the No. 1 Reason People Don't Succeed (and It's Quite Brilliant) | Inc.com
Oprah, Reese Witherspoon Invest in Spanx at $1.2 Billion Valuation at Blackstone - Bloomberg