Maven - Archivist extraordinaire. He has an enormous list of books on his web sites that he has done summaries on, saving you a lot of time and maybe even some money. The best thing about it? ITS ALL FREE!!!! He even has an email list where he will send you his latest summaries of the books he is reading...FOR FREE!!!!! Check out his Site. His primary focus of book reading and summaries is Leadership, Management and Change.
I have been thinking about doing something like this for a long time. I am so glad I found some one else who is doing it. (This sort of lets me off the hook :) Very cool!