test-opt-myheadings-book.tex

\documentclass[openany]{book}
\usepackage{lipsum}
\usepackage{boxedminipage}
\usepackage[myheadings]{fancyhdr}
\pagestyle{myheadings}
\markboth{Myheadings Leftmark}{Markboth Right}
\markright{Myheadings Rightmark}

\begin{document}

\tableofcontents

\bigskip

\noindent
\begin{boxedminipage}{\textwidth}
  This is test-opt-myheadings-book.tex

  It demonstrates the \texttt{[myheadings]} option of \texttt{fancyhdr} in
  the \texttt{book} class.

\begin{verbatim}
\usepackage[myheadings]{fancyhdr}
\pagestyle{myheadings}
\markboth{Myheadings Leftmark}{Markboth Right}
\markright{Myheadings Rightmark}
\end{verbatim}
\end{boxedminipage}

\chapter{Introduction}

\lipsum

\section{The Problem}
\label{sec:problem}

\lipsum[1]

\section{Evaluation}

\lipsum[2-4]

\section{Another section}

\lipsum[3]

\end{document}