[Tex/LaTex] Defining a chapter “outside” the last \part (amsbook)

amsbookbookmarkstable of contents

Currently, I have the following:

\documentclass{amsbook}
\begin{document}

\chapter*{Introduction}

\part{First Part}
\chapter{1}
\chapter{2}
\chapter{3}

\part{Second Part}
\chapter{4}
\chapter{5}

\chapter*{Conclusion}

\end{document}

The table of contents is perfect. My only concern is how I see the contents in the side panel of my pdf viewer. Currently it shows:

Introduction
Part 1
  Chapter 1
  Chapter 2
  Chapter 3
Part 2
  Chapter 4
  Chapter 5
  Conclusion

whereas, what I wanted to have really is the following, where "Conclusion" is outside the last \part.

Introduction
Part 1
  Chapter 1
  Chapter 2
  Chapter 3
Part 2
  Chapter 4
  Chapter 5
Conclusion

Best Answer

You can use the bookmark package:

\documentclass{amsbook}
\usepackage{bookmark}

\begin{document}

\chapter*{Introduction}

\part{First Part}
\chapter{1}
\chapter{2}
\chapter{3}

\part{Second Part}
\chapter{4}
\chapter{5}

\bookmarksetup{startatroot}
\chapter*{Conclusion}

\end{document}

The bookmarks panel as displyed by Okular:

enter image description here

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