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Alastair Campbell's diaries may have made it to number three in the Amazon best-sellers chart but he may soon have a literary rival from Welsh politics.

Plaid Cymru MP Adam Price is writing a book on the events of this year that have led his party to government.

So how nervous should leading figures in Plaid about the prospect that the party's director of elections will reveal sensational details of life behind the scenes in Labour's junior coalition partners?

Probably not that nervous. As of yet, the Carmarthen East and Dinefwr MP doesn't have a publisher and his tome may end up as half a book (the other half written on Scotland).

Finding a publisher shouldn't be that difficult given Price's closeness to the action during the negotiations that led Plaid to power.

But having warned his party that Gordon Brown could announce a snap general election within the next year, he's unlikely to include enough salacious details in his book to excite Wales on Sunday, let alone the News of the World.

It may not make the best-seller lists but it could be the book every political anorak hopes to find in his or her Christmas stocking.