Business Development

The Pineapple Strategy – Networking for every Type of Person

Well Dressed on the Road

Overcoming Loneliness & Isolation

Understanding Money

Ways to Career and Promotion

Virtual Leadership

Out of the Hamster Wheel

How To Make More Money

Survive Asshole Bosses & Colleagues

Working Efficiently in the Home Office

Become Visible with Respect

No Risk No Fun! Have Courage & Do What You Want

Relaxed & Stress-Free Living & Working with Mindfulness

The First Book on Recruiting Respondents The History of Niche Creation The Ads Experience

Jefa in Training

Achievers Handbook 2

Upgrade Your Thoughts

The 20% Method to Achieve all your Goals

The Bug Fixer Strategy – Software Principles for Every Problem-Solving

Productive Lifestyle – The Pillars of Success