Psychology

Keep Control in Uncertain Times

Psychology of Trust! Between Betrayal & Control Addiction

Always With Your Head Through the Wall! Achieve Impossible Goals

Don't Be Alone Anymore. Find New Friends despite Stress & too much Work

Tell your Boss what you Think & Keep your Job anyway

Win the Rat Race

Say No with Success

Small Murders among Colleagues

Speechless – Never Again! Use Quick-Wittedness & the Power of Rhetoric

Total Banana? Survive in Crazy Companies

Understand Digital Manipulation

Boss Kung Fu! Rhetoric Strategies for Difficult Superiors & Colleagues

Quick Wit – Fight Verbal Attacks

Overnight Success

The Mindfulness for Warriors Handbook

The Altruistic Edge

If at Birth You Don't Succeed

Unapologetic

Anthology of Deception

Why do good people suffer