Here are some links to websites you may find useful ....

www.thecwa.co.uk
www.tangledweb.com
www.amazon.co.uk
www.amazon.de
www.amazon.com
www.crimefest.com
www.severnhouse.co.uk
www.aufbau-verlag.de
www.rna.org.co.uk
www.westpress.co.uk