These are the books authored or co-authored by Abdelwahab El-Affendi.

> Who Needs an Islamic State? (expanded second edition), Malaysia Think Tank London, 2008 (1st edition 1991; Turkish translation by Hasan Kosebalaban, Istanbul: Elke, 1994; Indonesian translation also in 1994)

“When it was first published in 1991, Who Needs An Islamic State? was a groundbreaking text designed to kick start fresh thinking on Muslim political thought. Almost two decades later, it has lost none of its potency.”   
-Professor Ziauddin Sardar, January 2008-

Link: http://myislamicstate.wordpress.com/
Reviews:
http://www.iculture.org.uk/articles/siyassa/book-review-who-needs-an-islamic-state
http://www.guardian.co.uk/commentisfree/2008/feb/27/whoneedsacaliphate
http://mrzine.monthlyreview.org/2009/sikand140709.html
http://forum.hizbuttahrir.org/showthread.php?t=1448

> Turabi's Revolution: Islam and Power in Sudan, 209pp., Grey Seal Books, 1991, ISBN 1-85640-004-2 (sole author) (Turkish translation by Hasan Kosebalaban, Elke, Istanbul, 1994).

Reviews:
http://journals.cambridge.org/action/displayFulltext?type=1&fid=5193088&jid=MES&volumeId=25&issueId=01&aid=5193084
http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=5193084

> Rethinking Islam and Modernity: Essays in Honour of Fathi Osman, 194pp., Islamic Foundation, 2001, (editor) ISBN 0 86037 380 0.

> For a State of Peace: Conflict and the Future of Democracy in Sudan, 54pp., CSD, University of Westminster, CSD Perspectives Series, 2002, ISBN 0-85374-769-2

> (Co-author) Towards Freedom in the Arab World: The Arab Human Development Report 2004, 248pp., UNDP, 2005, ISBN 92-1-126165-1 (published simultaneously in Arabic and French).

Full text: http://hdr.undp.org/en/reports/regional/arabstates/name,3278,en.html

> Translation of: Hassan Turabi The Islamic Movement in Sudan: Its Development, Approach and Achievements, 319pp., Arab Scientific Publishers, 2009, ISBN 978-9953-87-547-7.

> Azmat Darfur: Nazra fi’l-Judhur wa’l-Hulul al-Mumkina, (The Darfur Crisis: Roots and Possible Solutions), Abu Dhabi: The Emirates Centre for Strategic Studies and Research, 2009.

> (co-author) Contextualising Islam in Britain: Exploratory  Perspectives, a report published jointly by the Universities of Cambridge, Exeter and Westminster, October, 2009.

Full text: http://www.cis.cam.ac.uk/CIBPReportWeb.pdf

> Liman Taqum al-Dawla al-Islamiyya (Translation of the Second Edition of Who Needs an Islamic State?), Amman: Freedom Forum, 2010

> About Muhammad: The Other Western Perspective on the Prophet of Islam, Richmond: Legacy Publishing, 2010.