\documentclass[12pt, notitlepage, openany]{book}
\usepackage{url}

\title{Zoltan Tutorial}
\author{Erik G. Boman, Karen D. Devine, Lee Ann Riesen}
\date{January 31, 2007; revised Jan. 9, 2009}

\begin{document}

\maketitle

\tableofcontents
\newpage

\input{introduction}
\input{methods}
\input{api}
\input{examples}

\end{document}