\documentclass[french,12pt]{book}

\usepackage[french,activeacute]{babel}   % French characters
\usepackage[utf8]{inputenc}              % Use character encoding UTF8
\usepackage[pdfborder={0 0 0}]{hyperref} % Hyperlinks
\usepackage{makeidx}                     % Indexes
\usepackage{appendix}

\makeindex

\widowpenalty=10000
\clubpenalty=10000

\renewcommand{\baselinestretch}{1.2}

\def\horizontalLine{
\begin{center}
   \begin{tabular}{cp{1cm}cp{1cm}cp{1cm}cp{1cm}c}
   $\bullet$&&$\bullet$&&$\bullet$&&$\bullet$&&$\bullet$\\
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\newcommand{\link}[2]{\htmladdnormallink{\texttt{#1}}{#2}}

\title{
\Huge\textbf{La guerre injuste\\lettres d'un Espagnol}
}
\author{\textbf{Armando Palacio Valdés}}

\date{Date de sortie: $29$ février $2012$\\
Dernière révision: \today}

\begin{document}

\maketitle

\frontmatter
   \include{notes}
   \include{preface}
   \setcounter{tocdepth}{0}
   \tableofcontents

\mainmatter
   \include{chapters}
   \appendix
   \appendixpage
   \include{appendix}

\end{document}