Final answer:
The content listed at the beginning or end of a book is called the introduction, preface, foreword, or afterword. At the end of the book, there is usually an index.
Step-by-step explanation:
The content listed at the beginning of a book is called the introduction, preface, foreword, or afterword. These sections provide background information, context, or insights into the work. The content listed at the end of a book is typically an index, which facilitates finding information in non-electronic versions of the text.