16 Books in the field of personal coaching, mental preparation for peak performance, increase of stress-resilience, creativity, short-term coaching, and overall well-being; Publications, namely, books, written articles, handouts and workbooks in the fields of personal coaching and mental preparation for peak performance, increase of stress-resilience, creativity, short-term coaching, and overall well-being; Series of non-fiction books in the field of personal coaching and mental preparation for peak performance, increase of stress-resilience, creativity, short-term coaching, and overall well-being