Several high-profile authors are to stop visiting schools in protest at new laws requiring them to be vetted to work with youngsters.
Philip Pullman, author of fantasy trilogy His Dark Materials, said the idea was "ludicrous and insulting".
Former children's laureates Anne Fine and Michael Morpurgo have hit out at the scheme which costs £64 per person.
Officials say the checks have been misunderstood and authors will only need them if they go to schools often.
The Home Office says the change from October will help protect children.
The measure was drafted in response to recommendations made by the inquiry into the murders of Holly Wells and Jessica Chapman in 2002, by school caretaker Ian Huntley.
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