FORMER UK Children’s Laureate Chris Riddell is to visit Waterstones in Oxford.

He will be at the Broad Street store on Saturday, May 26 at 11am to sign copies of his new book, Ottoline and the Purple Fox.

Mr Riddell is a highly acclaimed illustrator and political cartoonist and the bestselling children’s author of books including the award-winning Ottoline and Goth Girl series.

Mr Riddell, a cartoonist for the Observer, has won three Kate Greenaway Medals, the British librarians’ annual award for the best-illustrated children’s book.