A few links on Chirstopher Luxenberg's book: Die syro-aramäische Lesart des Koran: Ein Beitrag zur Entschlüsselung der Koransprache 
Below, please find some reviews: critical ones on the left, and affirmative ones on the right
Review Of Die syro-aramäische Lesart des Koran: Ein Beitrag zur Entschlüsselung der Koransprache ('Christoph Luxenberg', 2000, Das Arabische Buch: Berlin) By François de Blois François de Blois
at: Islamic-Awareness.org
The Virgins and the Grapes: the Christian Origins of the Koran (Italy)
by Sandro Magister,
includes an interview with Luxenberg
Qantara.de: "What is the Koran?" HUGOYE: JOURNAL OF SYRIAC STUDIES
Christoph Luxenberg (ps.) Die syro-aramaeische Lesart des Koran; Ein Beitrag zur Entschlüsselung der Qur’?nsprache. Berlin, Germany: Das Arabische Buch, First Edition, 2000. Pp. ix + 306, bibliography on pp. 307-311, no index. Paperback, Euros 29.70, no price available in US Dollars. ISBN 3-86093-274-8. by: Robert R. PHENIX Jr. and Cornelia B. HORN 
Response to "Challenging the Quran" Article in Newsweek, Dr. Maher Hathout  The Virgins and the Grapes: the Christian Origins of the Koran
by Sandro Magister   
Missionary, dilettante or visionary?
A review of Ch. Luxenberg, Die Syro-Aramäische Lesart des Qur'an.
 
please e-mail me with further suggestions you find (alfons.teipen@furman.edu)