Front matter in a non-fiction book typically follows a specific sequence. The most common order of front matter in a non-fiction book is as follows:

1. Half Title Page: Displays only the book’s title.

2. Blank Page: Separates the half-title page and the title page.

3. Title Page: Displays the full title of the book, subtitle, author’s name, and publisher’s name and location.

4. Copyright Page: Includes the copyright notice, publication date, ISBN, and any other legal information about the book.

5. Dedication: Optional. Includes a brief dedication from the author.

6. Table of Contents: Lists the sections or chapters of the book and their corresponding page numbers.

7. Foreword: An introduction to the book written by someone other than the author, such as an expert in the field or a celebrity.

8. Preface: An introduction to the book written by the author, explaining the book’s purpose, motivation, and scope.

9. Acknowledgments: This page is optional and includes the author’s thanks to individuals or organizations who contributed to the book.

10. Introduction: An introduction to the book written by the author outlining the main themes or arguments of the book.

11. Additional front matter. May include a list of illustrations, maps, photographs, or a prologue.