"Author of the report":
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and up. Have you tried reading them yourself? Tolkien has one of the hardest languages to read. Potter is out. I speak like someone who has read it.
Pratchett is fine. Asimov, Bradbury, Shekley, Heinlein are very good. Strugacki is great.
A schoolgirl who only watched films on Tolkien - forward, to the library.
and...
There is such a thing as subjectivity of perception. If you can’t read Tolkien, for example, it doesn’t mean that others find his writing style difficult.

The Hobbit read at the age of 6, the Lord at 11 in Russian and 15 in English. Great language, easy to speak. The Cheddar?