\documentclass[twoside,letterpaper,10pt]{article}
\usepackage[utf8]{inputenc}
\usepackage[margin=1em]{geometry}
\usepackage{xcolor}
\usepackage[default]{gfsneohellenic}
\usepackage[LGR,T1]{fontenc}
\usepackage[letterspace=475]{microtype}
\usepackage[normalem]{ulem}
\usepackage{hanging}
\usepackage{graphicx}
\usepackage{eso-pic}
\newcommand\BackgroundPic{%
\put(0,0){%
\parbox[b][\paperheight]{\paperwidth}{%
\vfill
\centering
\includegraphics[width=0.95\paperwidth,height=0.95\paperheight,
keepaspectratio]{Dune_BW.jpg}
\vfill
}}}
\begin{document}
\AddToShipoutPicture*{\BackgroundPic}
\thispagestyle{empty}
\noindent
\mbox{
\begin{minipage}[t][0.994\textheight][t]{0.98\textwidth}
\mbox{
\hspace*{2em}
\parbox[c][\textheight]{0.865\textwidth}{
\input{TERMINOLOGY.txt}}
\hspace*{\fill}}
\end{minipage}
}
\newpage
\AddToShipoutPicture*{\BackgroundPic}
\thispagestyle{empty}
\noindent
\mbox{
\begin{minipage}[t][0.994\textheight][t]{0.98\textwidth}
\mbox{
\hspace*{2em}
\parbox[c][\textheight]{0.865\textwidth}{
\input{TERMINOLOGY2.txt}}
\hspace*{\fill}}
\end{minipage}
}
\end{document}
