They have also co-authored a book "Winning Him Without Words". I haven't read it, but knowing these two women from their blog, I'm sure it's great! Don't trust that? You can read a sample chapter here.
They also have a show that they do entitled "The Intentional Marriage":
Anyway, point being that they are two fabulous ladies with hearts for Christ, and helping other women who are in spiritually unequal marriages.