This was my first voyeur into splitting my source code up into multiple files, much in the way we do for any good computer program.

I produced a pocket version of the easy-to-forget rules in Ultimate Frisbee

Here is the directory structure

  [rpi@rpi treatises]$ tree frisbee
  frisbee
  ├── 0-field.tex
  ├── 1-summary.tex
  ├── 2-definitions.tex
  ├── 3a-pull.tex
  ├── 3b-stall.tex
  ├── 3c-stoppages.tex
  ├── 3d-misc.tex
  ├── 4-fouls.tex
  ├── 4-turnovers.tex
  ├── 5-fouls.tex
  ├── 5-infractions.tex
  ├── 6-infractions.tex
  ├── 6-violations.tex
  ├── 7-violations.tex
  ├── 8-handsignals.tex
  ├── rules.aux
  ├── rules.log
  ├── rules.pdf
  └── rules.tex

Pocket Rules

PDF

    /

Source 

\documentclass[twoside]{article}

\usepackage{fancyhdr}
\usepackage{multicol}
\usepackage{rotating}
\usepackage{lipsum}
\usepackage[UTF8]{ctex}
\usepackage{tikz}
\usepackage{amsmath}
\usepackage{caption}
\usepackage{fontspec}
\usepackage{amssymb}
\usepackage{enumitem}


\usepackage[top=0mm,bottom=0mm,right=0mm,left=0mm]{geometry}
\newcommand\tab[1][1cm]{\hspace*{#1}}
\newcommand{\rom}[1]{\uppercase\expandafter{\romannumeral #1\relax}}

\newfontfamily\greekfont[Scale=MatchUppercase,Ligatures=TeX]{Kerkis}
\newcommand{\textgreek}[1]
    {\bgroup\greekfont{#1}\egroup} % Greek text


\fancyhf{}
\renewcommand{\headrulewidth}{0pt}
\fancyfoot[RE]{
    \begin{minipage}{0.25\textwidth}
        \centering
        為而不恃，功成而弗居。
    \end{minipage}
}
\fancyfoot[LE]{
    \begin{minipage}{0.1\textwidth}
        \small
        \raggedleft
        \rom{1} / \rom{10}
    \end{minipage}
}

\pagestyle{fancy}



\begin{document}

\begin{minipage}[t][0.49\paperheight]{0.94\textwidth}
    \vspace*{1em}
    \begin{multicols}{2}
        \hspace*{-0.5cm}
        \begin{minipage}[b]{0.52\textwidth}
            \input{2-definitions}
        \end{minipage}

        \hspace*{0.6cm}
        \begin{minipage}[t][0.48\textheight]{0.45\textwidth}

            \begin{minipage}[t][0.22\textheight]{\textwidth}
                \input{0-field}
            \end{minipage}

            \vspace*{3cm}

            \begin{minipage}[t][0.22\textheight]{\textwidth}
                \input{1-summary}
            \end{minipage}

        \end{minipage}
    \end{multicols}
\end{minipage}


\begin{turn}{180}
    \begin{minipage}[t][0.49\paperheight]{0.94\textwidth}
        \begin{multicols}{2}
            \begin{minipage}[t][0.45\textheight]{0.46\textwidth}
                \begin{minipage}[t][0.22\textheight]{\textwidth}
                    \input{3a-pull}
                \end{minipage}

                \vspace*{1.5cm}

                \begin{minipage}[t][0.22\textheight]{\textwidth}
                    \input{3c-stoppages}
                \end{minipage}
            \end{minipage}

            \hspace*{0.35cm}
            \begin{minipage}[t][0.45\textheight]{0.46\textwidth}
                    \begin{minipage}[t][0.22\textheight]{\textwidth}
                        \input{3b-stall}
                    \end{minipage}

                    \vspace*{2.2cm}

                    \begin{minipage}[t][0.22\textheight]{\textwidth}
                        \input{3d-misc}
                    \end{minipage}
            \end{minipage}
        \end{multicols}
    \begin{center}[4]\end{center}
    \end{minipage}
\end{turn}


\newpage

\newgeometry{top=0mm,bottom=10mm,right=0mm,left=0mm,includeheadfoot}

\begin{multicols}{3}
    \begin{minipage}[t][0.95\paperheight]{1in}
        \input{8-handsignals}
    \end{minipage}

    \hspace*{-5cm}
    \begin{minipage}[t][0.9\textheight]{0.38\textwidth}

        \input{4-fouls}

    \end{minipage}

    \hspace*{-3.5cm}
    \begin{minipage}[t][0.9\textheight]{0.38\textwidth}
        \begin{minipage}[t][0.45\textheight]{\textwidth}
            \input{5-infractions}
        \end{minipage}

        \vspace*{5cm}

        \begin{minipage}[t][0.45\textheight]{\textwidth}
            \input{6-violations}
        \end{minipage}
    \end{minipage}

\end{multicols}

\end{document}