\documentclass[letterpaper,12pt,titlepage,oneside,final]{book}
\usepackage{fancyhdr}
\usepackage{geometry}
\usepackage{glossaries}

\fancyhf{}
\renewcommand{\headrulewidth}{0pt}
\chead{}
\cfoot{\thepage}
\pagestyle{fancy}


% cfa macros used in the document
\input{common}

% glossary of terms to use
\input{glossary}


%======================================================================
%   L O G I C A L    D O C U M E N T
%======================================================================
\begin{document}
\input{text/front.tex}
\input{text/intro.tex}
\input{text/runtime.tex}
\input{text/core.tex}
\input{text/practice.tex}
\input{text/io.tex}

\end{document}