\documentclass[a4paper,12pt]{book}
\usepackage[utf8]{inputenc}
\usepackage{graphicx}

\begin{document}

\author{TeXstudio Team}
\title{Simple Book Example}
\date{January 2013}

\frontmatter
\maketitle
\tableofcontents

\mainmatter
\include{./TeX_files/chapter01}
\include{./TeX_files/chapter02}

\backmatter
% bibliography, glossary and index would go here.

\end{document}