\documentclass[11pt]{article}
\usepackage{fullpage}
\usepackage{amsfonts}
\usepackage{graphicx}
\usepackage{tabularx}
\newcommand{\Gizmoball}{Gizmoball }
\newcommand{\R}{\ensuremath{\mathbb{R}}}

\author{Austin Clements, Albert Leung, Dan Ports, Zack Skolnik}
\title{Gizmoball \\ \large Preliminary Design Document}
\date{April 13, 2004}

\renewcommand{\topfraction}{0.85}
\renewcommand{\textfraction}{0.1}

\begin{document}

\maketitle
\tableofcontents
\newpage
%\listoffigures

\section{Requirements}
\input{intro}
\input{ui}

\section{Design}
\input{overview}
\subsection{General user interface}
\input{ui-design}
\subsection{Game system}
\input{game-system}
\subsection{$\R^2$ Renderer}
\input{r2}
\input{xml}

\section{Implementation Overview}
\input{mdd}
\input{timeline}

\end{document}