"How useful am I?”  comes to contribute to the resolution of the problems of unemployment and under-employment  in the world at large. It goes deeper to ask the question “What is your contribution?” to everyone on earth. It is a call on all the people of the world (parents, students, pupils, jobseekers, employers, the under-employed, the employed) to stand up together and fight against unemployment, under-employed and liziness and to encourage mutual progress as well as the achievement of the Sustainable Development Goals (SDGs) by 2030. It carries great teachings about how to drive people from becoming burdens to service-providers for the society at large. It is divided into five chapters whose richness is of great value. The goal of this book is to drive people to be positively useful to society! Read this book, it will surely contribute to change something for the better in your life.