Soundview (http://www.summary.com/ http://www.summary.com/) has been doing this for quite a while. Their summaries are decent and make them available in a numb

Soundview (http://www.summary.com/ http://www.summary.com/) has been doing this for quite a while. Their summaries are decent and make them available in a number of formats. They do a lot of mainstream business books - there may be an opportunity in offering this product for niche markets or special focus areas.