What is another word for introduction of a book?

Here are some other words for the introduction of a book, depending on the specific type of introduction:

General:

* Preface

* Foreword

* Prologue

* Opening

* Preamble

* Introductory chapter

* Starting point

More specific:

* Author's note: Often found at the beginning of fiction books.

* Acknowledgements: Expresses gratitude to people who helped with the book.

* Dedication: Addresses the book to someone.

The best word to use depends on the specific context and the type of book.