Each month, the writer of the best letter will receive a special book prize.
The program was expanded in 2002 to include two separate book prizes, for trade and academic works.
When do I get to judge a book prize?
The association awards its own book prize each year.
In terms of a single book prize, it is the most valuable in the world.
Meg's books have won or been shortlisted for 18 international book prizes.
Since 1980, the Times has awarded annual book prizes.
Kay was also nominated for a book prize alone.
It is one of the largest book prizes in the UK.
"They are censoring their own book prize," he said.