Baylor University has a Centre for Christian Ethics which publishes a free journal (if you're in the US or Canda...) and a stack of free discussion guides, on issues such as aging, creation, cloning, consumerism, health.... the list goes on. A number of them classify as 'practices' of discipleship - hospitality, caring for creation, prayer, etc. Each theme has a series of study guides.
Baylor University is a private Christian university in Texas which was founded by the Baptist Church.