We wrote here earlier on the great book by Christoph Luxenberg, on the language and the origins of the Qur'an.- For more information and to order online see: http://www.verlag-hans-schiler.de/index.php?title=Christoph+Luxenberg+The+Syro-Aramaic+Reading+of+the+Koran&art_no=M0088
Christoph Luxenberg, The Syro-Aramaic Reading of the Koran (revised and enlarged ed.), Berlin (Verlag Hans Schiler) 2007, ISBN-10: 3-89930-088-2, ISBN-13: 978-3-89930-088-8, Hardcover, 355 pages, 40.00 €