Mind, body and spirit mail order book service. Specialising in out of print and secondhand books.
http://www.greensleevesbooks.co.uk/Northern Ireland based, offering evangelical Christian used books, including a good number of commentaries.
http://www.jamesdrummond.co.uk/Specialising in evangelical and reformed Christian books printed in the 19th and 20th centuries.
http://www.peterreynoldsbooks.com/Antiquarian and secondhand theological and religious books; specialises in academic works.
http://www.freenetpages.co.uk/hp/RosemaryPugh/