Picky, Picky. Hubbard incorporated the Church of American Science, the Church of Scientology, and the Church of Spiritual Engineering in December 1953
I do recall learning about his book 'Dianetics' and others in junior high in the mid 70's in a Lit class about Science Fiction, and held up in comparison to good sci fi. Dianetics was also marketed in bookstores for some time as sci fi. Curious. He marketed the books as sci-fi yet used it as the basis (with various editions) for his 'religion'.