
Yet the books of the person who started this religion are now on display in the book festival of Qatar, a conservative Islamic country.

When I asked the seller about the books, he told me that they were all pre-scientology. Not all were fiction, though, some were self-help books for children and adults.
These included the way to happiness, which according to Wikipedia is frequently given out to followers of Scientology. It's also a book which caused controvery in the US, after Scientologists attempted to distribute free copies to school children.

Also according to Wikipedia, it was published in 1980, 27 years after Scientology had started.