(And help a charity while you’re at it).

How much would you pay to be immortalised as a zombie in a Stephen King novel or a good guy in a John Grisham thriller?

King and Grisham are among 16 authors selling the right to have a character in a book named for the buyer to raise money for the First Amendment Project, a California-based non-profit group that promotes freedom of information and expression.

Details of the authors’ offers - and, of course, the bidding - takes place on eBay between September 1st and September 25th.