- eBookThe Power of BlessingKerstin Hack
- eBookCoaching BasicsKerstin Hack
- eBookQuestions for ReflectionKerstin Hack
- eBookPower QuestionsKerstin Hack
- eBookSaying Yes to MyselfKerstin Hack
- eBookHow to Get the most out of LifeKerstin Hack
- eBookSerien: QuadroKerstin Hack
- eBookHappinessKerstin Hack
- eBookLearning to ForgiveKerstin Hack
- eBookSerien: MicrobooksKerstin Hack