The title itself suggests that the book will help the Post Basic and Post Graduate students in understanding different important concepts in the field of Nursing Practice, Nursing Education, Nursing Administration and Community Health Nursing. The topics were chosen on the basis of the long teaching experience of the author. She found that, students find difficulties in getting adequate information about these areas to get clear ideas. The author tries to make the language simple and explain content with relevant and realistic examples from her own experience of interacting with different levels of students. Hope this book will help the Post Basic, Post Graduate Students and also the teachers in Nursing Profession. The tireless hard work of the author will be successful if it is accepted by the Nursing professionals.