It seems like you are talking about publishing research work in book chapter rather than peer reviewed articles. A book usually covers a selected topic in dept

It seems like you are talking about publishing research work in book chapter rather than peer reviewed articles. A book usually covers a selected topic in depth and in a coherent manner. This is particular useful for graduate students. Besides, some book authors also invite their friends to give comments. The impact of a book can be as rigorous and significant as journal articles.