How to Focus on What Matters
Zeit Fur Erwachsenenbildung
2005
Zhuan zhu li
2013
Value Pack
2009
How to Guide Conversations Toward Extraordinary Results
How to Keep the Email Monster from Eating You Alive
How to (Finally) Beat Procrastination
How to Focus Your Time for Success
Some Simple Ideas to Help You Manage Other People
Marketing for entrepreneurs
2009
Stundenblätter "Der Untertan"
1979
Successful scriptwriting
1988
Successful Sitcom Writing
1996
Creativity Now
2010
Your Creative Writing Masterclass
2012
Your Writing Coach
2007
Focus
2010
