Never heard of either.
Here’s a time capsule for perspective......
https://www.amazon.com/Kissed-Dating-Goodbye-Joshua-Harris/dp/1590521358/ref=sr_1_2?keywords=i+kissed+dating+goodbye&qid=1564867259&s=gateway&sr=8-2
Joshua Harris’s book was HUUUUUUUUGGGGGEEEEE when it came out.
Michael Farris runs the Homeschool Legal Defense Association.