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Gareth Roberts
Gareth John Pritchard Roberts is a British television screenwriter, novelist and columnist best known for his work related to the science-fiction television series Doctor Who. He has also worked on various comedy series and soap operas.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

The romance of crime
1995
ISBN 9780426204350
The Plotters
1996
ISBN 9780426204886