Books mentioning NSClient++
I shall expand this section a bit at the moment there is only one book which gos into any detail of NSClient++
book Learning Nagios 3.0
Pack publishing was kind enough to allow me to publish an extract about how to configure NSCA in Nagios which ca be found here.
More information about the book can be found here http://www.packtpub.com/guide-for-learning-nagios-3/.