\documentclass[12pt,openany]{book} % paper size is in preamble.sty
%\usepackage[utf8x]{inputenc}
\usepackage[T1]{fontenc}
%%%%%%%%%% BOOK INFORMATION %%%%%%%%%%
\newcommand{\authorname}{Book Author}
\newcommand{\booktitle}{Your Book’s Title}
\newcommand{\subtitle}{Your Book’s Subtitle}
\newcommand{\publisher}{Your Publisher}
\newcommand{\editionyear}{2020}
\newcommand{\isbn}{978-3-16-148410-0} % replace this with your own ISBN
\title{\booktitle}
\author{\authorname}
\usepackage{misc/options}
\begin{document}
\frontmatter
\input{frontmatter/titlepage}
\input{frontmatter/copyrightpage}
\input{frontmatter/preface}
\input{frontmatter/tocpage}
\mainmatter
\pagestyle{fancy}
\input{content/chapter1}
\end{document}
