Question

Which feature of a book introduction is reflected in the introduction to A State of War and Peace?

It provides a chapter-by-chapter summary from the book’s author.
It includes an explanation of the book’s contents from its author.
It praises the author of the book for her thorough research.

Answer 1

It includes an explanation of the book’s contents from its author.

Reason: a book introduction typically outlines the book’s purpose, scope, and main themes — which matches option 2 — whereas a chapter-by-chapter summary is more detailed than a normal introduction and praise of the author is characteristic of a blurb or foreword.