\documentclass[letter, landscape]{report}
\usepackage[utf8]{inputenc}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{makeidx}
\usepackage{graphicx}
\usepackage[]{kpfonts}
\usepackage{float}
\raggedbottom
\usepackage{array}
\usepackage{multicol}
\usepackage[
	margin=20mm,
	marginparwidth=0mm,
	marginparsep=0mm,
	]{geometry}
\usepackage{ninecolors}
%\usepackage{showframe}
%\renewcommand*\ShowFrameColor{\color{red}}


% Set column separation
\setlength\columnsep{30mm}

% Where are our images?
\graphicspath{{images/}}

% Put everything in monotype
\renewcommand{\familydefault}{\ttdefault}

% Stretch the linespacing
\renewcommand{\baselinestretch}{2.0} 

% Let's adjust the page margins
\usepackage{geometry}
\geometry{
	margin=10mm,
}

% Cover images
\usepackage{tikz}
\usepackage{eso-pic}

% This issue's color (using ninecolors package color options)
\newcommand{\kic}{green} % Replace as necessary

% This issue's number
\newcommand{\kiss}{007} % Replace as necessary

\begin{document}

\thispagestyle{empty}

% Issue markings on bottom of spine
\AddToShipoutPictureBG{
\put(1cm,1cm){
\begin{tikzpicture}[x=1in, y=1in, remember picture, overlay]
	\draw[color=\kic6, fill=\kic9, line width=1pt] (5.25,0.00) rectangle (5.75,0.03);
	\draw[color=\kic6, fill=\kic9, line width=1pt] (5.25,0.05) rectangle (5.75,0.08);
	\draw[color=\kic6, fill=\kic9, line width=1pt] (5.25,0.10) rectangle (5.75,0.13);
	\draw[color=\kic6, fill=\kic9, line width=1pt] (5.25,0.15) rectangle (5.75,0.18);
	\filldraw[\kic3, fill opacity=0.4] (9.2,0.3) circle (0pt) node[anchor=west]{{\Huge\Huge\kiss}};
\end{tikzpicture}
} % End put
}

\begin{center}
\begin{multicols}{2}
% Back page

\vspace*{40mm}
\includegraphics[scale=0.8]{back_cover}

\vfill\null
\columnbreak

% Front page

\vspace*{40mm}
{\fontsize{55}{70}\selectfont \textbf{the codex}}

{\large \textbf{Life with Linux - A Zine}}

{\large \textbf{Issue \# \kiss}}

{\large \textbf{Typeset in \textrm{\LaTeX{}}}\\(including the cover, of course)}

{\footnotesize \textbf{First Printing}}

\vspace{10mm}
\includegraphics[scale=0.05]{4_RETAT_04_Linus_Torvalds}

\end{multicols}

\end{center}

\end{document}