The Little Book of Personal Development, Success and Happiness - Second Edition: Useful thoughts to get insights and ideas for a better and happier lifeHannu Pirilä
Your Own Blue Ocean: Practical advice and exercises for defining and achieving your own success, enhancing your sense of happiness and finding Your Own Blue OceanHannu Pirilä
Better Life and NLP: Inspirational ideas and practical guidelines for NLP, mental well-being, self-leadership and better lifeHannu Pirilä