Ebook

\documentclass[ebook,12pt,oneside,openany]{memoir}
\usepackage[english]{babel}
\usepackage{url}

\DeclareFixedFont{\ttb}{T1}{txtt}{bx}{n}{12} % for bold
\DeclareFixedFont{\ttm}{T1}{txtt}{m}{n}{12}  % for normal

% Custom colors
\usepackage{color}
\definecolor{deepblue}{rgb}{0,0,0.5}
\definecolor{deepred}{rgb}{0.6,0,0}
\definecolor{deepgreen}{rgb}{0,0.5,0}

\usepackage{listings}
\lstset{
    aboveskip=2em,
    belowskip=2em,
    breaklines=true,
    captionpos=b,
    language=Python,
    postbreak=\mbox{\textcolor{red}{$\hookrightarrow$}\space},
    basicstyle=\ttm,
    otherkeywords={self},             % Add keywords here
    keywordstyle=\ttb\color{deepblue},
    emph={MyClass,__init__},          % Custom highlighting
    emphstyle=\ttb\color{deepred},    % Custom highlighting style
    stringstyle=\color{deepgreen},
    frame=tb,                         % Any extra options here
    showstringspaces=false            % 
}

\setcounter{tocdepth}{5}
\setcounter{secnumdepth}{5}

\title{First Book}
\author{Florian Dahlitz}

\begin{document}
\maketitle
\newpage \tableofcontents

\newpage \input{chapters/chapter1.tex}

\end{document}