% KOMA-Script Book - Modern LaTeX
% Alternative to memoir, built into TeX Live

\documentclass[12pt]{scrbook}

% Packages
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{amsmath,amssymb}
\usepackage{graphicx}
\usepackage{hyperref}
\usepackage{geometry}
\usepackage{microtype}
\usepackage{xcolor}

% KOMA settings
\KOMAoptions{
  fontsize=12pt,
  paper=6in:9in,
  pagesize=pdftex,
}

% Geometry
\geometry{
  inner=0.75in,
  outer=0.5in,
  top=0.75in,
  bottom=0.75in,
}

% Hyperref
\hypersetup{
  colorlinks=true,
  linkcolor=blue,
}

% Fonts
\usepackage{mathptmx}

% Chapter styling via KOMA
\setchapterpreamble{%
  \itshape\rule{\linewidth}{0.5pt}
}

% Headers
\usepackage{scrlayer-scrpage}
\pagestyle{scrheadings}

% Metadata
\def\booktitle{$book_title$}
\def\bookauthor{$author$}
\def\bookdate{$date$}

\begin{document}

% Title
\thispagestyle{empty}
\begin{center}
\vspace*{2in}
{\Huge\bfseries\booktitle\par}
\bigskip
by \bookauthor
\vfill
\bookdate
\end{center}

% Copyright
\clearpage
\thispagestyle{empty}
\vspace*{\fill}
Copyright \textcopyright\ \bookdate\ \bookauthor
\vspace*{\fill}

% Contents
\tableofcontents

\mainmatter

$body$

\end{document}
