As one book goes to the publisher (Net Work will be out on April 12, I’m told), an earlier work has gone on sale:

The Social Network Toolkit:Building organisational performance through collaborative communities price has just been reduced to £75.

There is a small bit of overlap in the content, but whereas the Toolkit is aimed at knowledge management practitioners and professionals, Net Work has a more broad theme on the importance of networks and knowing how to work with them.