The latest research into the link between germs and mental illness -- and what we all need to know.
The grandson of Lord of the Rings author J.R.R.Tolkien describes their close relationship. He talks about his latest legal thriller and how his grandfather’s celebrity and literary achievement influenced his life and his own writing career.
- Simon Tolkien a former barrister in London specializing in criminal justice and the author of "Final Witness."
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