How to keep up to date on new books?

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I've decided to work harder to keep on top of new books, from academic theology to popular christian books, and provide links to them on my site. My first port of call was to e-mail my friend Antony Billington at London School of Theology, who has enough books to re-stock the British Library, and ask him ways to keep up to date.

So below, are some several links from him (thanks Antony) for site and newsletters that update new books, and some more that I have found and use. My question then for you all then, anything else you know of that I/others could use to keep up to date?

http://www.ivpress.com/academic/

http://www.gnpcb.org/

http://www.rctr.org/resourceblog.htm

http://parablemania.ektopos.com/

http://www.publishersweekly.com/index.asp?

Amazon Alerts

http://www.blackwellpublishing.com/ealerts/

http://www.oup.co.uk/emailnews/

http://www.scm-canterburypress.co.uk/

http://select.blackwellpublishers.co.uk/

http://tls.timesonline.co.uk/