[amazon_link id=”B005ONI3TI” target=”_parent” container=”” container_class=”” ][/amazon_link]I’ve just read: God at Work: Your Christian Vocation in All of Life by  Gene Edward Veith Jr. It’s subject is the doctrine of vocation. I found it very helpful. Along the same lines, Paul Helm’s “The Callings” is also good.[amazon_link id=”0851515126″ target=”_parent” container=”” container_class=”” ][/amazon_link]