A shooting script from Doctor Who series four is being offered for auction to raise money for the National Literacy Trust.
The signed script was used by actor Steve Pemberton who played Strackman Lux in the two-part 2008 story Silence in the Library / Forest of the Dead.
The script is dated 11 January 2008 and signed by Pemberton.
The National Literacy Trust works to improve the reading, writing, speaking and listening skills in the UK's most disadvantaged communities, where up to 40 per cent of people have literacy problems.
Bids can be made at the NLT auction website.