\documentclass[a4paper]{book}
\usepackage[latin9]{inputenc}
\usepackage[pdftex,bookmarks=true]{hyperref}
\usepackage[T1]{fontenc}
\usepackage{ae,aecompl,aeguill}
\usepackage{fancyvrb}

\setlength{\parindent}{0pt}
\setlength{\parskip}\medskipamount

\begin{document}

\tableofcontents

\chapter{The Router}
  \section{Getting started}
    \subsection{Installation}
    \subsection{Initial configuration}
    \subsection{Failsafe mode}
  \section{Configuring OpenWrt}
    \subsection{Network}
      \input{network}
    \subsection{Wireless}
      \input{wireless}
  \section{Advanced configuration}
    \input{config}
    \subsection{Hotplug}
    \subsection{Init scripts}
      \input{init-scripts}
    \subsection{Network scripts}
      \input{network-scripts}
\chapter{Development issues}
  \section{The build system}
    \input{build}
  \section{Extra tools}
    \subsection{Image Builder}
    \subsection{SDK}
  \section{Adding platform support}
  \section{Debugging and debricking}
    \subsection{Adding a serial port}
    \subsection{JTAG}

\end{document}