I am preaching through Genesis right now and I have been helped greatly by referring often to Allen Ross' book "Creation and Blessing" I recommend it if anyone is looking for help in preaching Genesis.
https://www.logos.com/product/4901/creation-and-blessing
I would like to see Ross' commentary on the Psalms in Logos too! (Suggested in the thread http://community.logos.com/forums/t/82124.aspx)
