There's an interesting on-line book called "The Way of a Man with a Maid: A Response to the Courtship & Betrothal Movements"
. It describes and critiques a particular form of "courtship" that may be increasing in popularity among homeschooling "evangelicals". This form of courtship contains themes that are eerily similar to UBF's "marriage by faith" practice, though not as extreme (or cultic), since it's the actual parents doing the arranging, rather than UBF's "spiritual parents". In the Appendix, the author takes care to distinguish the "courtship" that Joshua Harris advocates from the newer, more extreme kind of "courtship". (Harris is the author of "I Kissed Dating Goodbye" and is often made in UBF to sound like a defender of UBF "marriage by faith", when, in fact, the model of marriage advocated by Harris is nothing
like UBF arranged