Premise: The Left Behind series, co-written by Tim LaHaye, the prominent right-wing screwball and husband of Beverly LaHaye, the even more prominent right-wing screwball, and Jerry B. Jenkins, who, his biography states, is the author of 130 books, which is a lot of books for one guy to write, is a phenomenon.

Hypothesis: The Left Behind series was popular with the right-wing conservatives.
Relation: entailment