Librarian Note: there is more than one author with this name in the Goodreads database.
Michael Phillips has been writing in the Christian marketplace for 30 years. All told, he has written, co-written, and edited some 110 books. Phillips and his wife live in the U.S., and make their second home in Scotland.
Founded in scripture, a laid-out plan, example marriages (told in a story form, so for those who don't like dialogue, those sections will annoy you), and no sex-shaming (that is, giving excruciating detail about diseases and fornication). There are also study questions, and the plan isn't rigid; it can be customized to adhere to different lifestyles/tastes.