\newif\ifimagen\imagentrue
\documentclass[twocolumn,english]{amsbook}
\usepackage[T1]{fontenc}
\usepackage[latin1]{inputenc}
\usepackage{graphicx}
\usepackage{amssymb}
\providecommand{\tabularnewline}{\\}
\newtheorem{thm}{Theorem}[section]
\newtheorem{example*}{Exemple}
\newtheorem{defn*}{Définition}
\newtheorem{xca}{Exercice}
\newtheorem{rem*}{Remarque}
\newtheorem{problem}[thm]{Problem}
\newtheorem{algorithm}[thm]{Algorithme}
\newtheorem{thm*}{Théorème}
\newtheorem{prop*}{Proposition}
\newcommand{\N}{\mathbb{N}}
\newcommand{\Z}{\mathbb{Z}}
\newcommand{\Q}{\mathbb{Q}}
\newcommand{\R}{\mathbb{R}}
\newcommand{\C}{\mathbb{C}}
\usepackage[francais,american]{babel}

\pagestyle{empty}
\thispagestyle{empty}
\begin{document}
\includegraphics[%
  width=0.75\textwidth]{house}
\clearpage% page: 0
\includegraphics[%
  width=0.75\textwidth]{house-PERT}
\clearpage% page: 1
\includegraphics{one-to-one}
\clearpage% page: 2
\includegraphics{one-to-many}
\clearpage% page: 3
\includegraphics{many-to-one}
\clearpage% page: 4
\includegraphics{many-to-many}
\clearpage% page: 5
\includegraphics[%
  width=0.75\textwidth]{house-PERT}
\clearpage% page: 6
\includegraphics{relation}
\clearpage% page: 7
\includegraphics[%
  width=0.75\textwidth]{house-PERT}
\clearpage% page: 8

\end{document}
