\documentclass[]{kartsstyle}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[english]{babel}

\renewcommand{\arraystretch}{1.2}

\title{Chronicles of Savits}
\author{\texttt{HeNine}}
\date{2023}

\newcommand{\tochange}[1]{\textcolor{red}{#1}}

\begin{document}

\frontmatter

\maketitle

\tableofcontents

\mainmatter

\include{introduction}

% \include{geography}
\part[Geography]{The Geography of Savits}

\include{kingdoms}

\include{moons}

\include{peoples}

\include{flora_and_fauna}

\end{document}