Kim Zoller, Kerry Preston

You Did What?!: The Biggest Blunders Professionals Make - Kerry Preston, Kim Zoller

You Did What?!: The Biggest Blunders Professionals Make

You Said What?!: The Biggest Communication Mistakes Professionals Make (A Confident Communicator's Guide) - Kerry Preston, Kim Zoller

You Said What?!: The Biggest Communication Mistakes Professionals Make (A Confident Communicator's Guide)

You Did What?!: The Biggest Blunders Professionals Make - Kerry Preston, Kim Zoller

You Did What?!: The Biggest Blunders Professionals Make