Revert all leading /2009 from URL Patters since this is now handled in Apache on server.
% File to make the booklet with the right margins
\documentclass[letter]{article}
\usepackage{pdfpages}
\usepackage[letterpaper, top=.4in, bottom=.4in]{geometry}
\begin{document}
\pagestyle{empty}
\includepdf[pages=-, noautoscale, scale=.9]{booklet_0.pdf}
\end{document}