To celebrate Sir Terry Pratchett as The London Book Fair’s (LBF) Author of the Day on Tuesday 8 April, the International Authors Forum, in association with LBF, has designated Tuesday 8 April International Sir Terry Pratchett Day, to mark his phenomenal international publishing success. To launch the day, authors from around the world will be asked to vote for their favourite character from one of his books choosing from a list of Sir Terry’s Official Top 10 Favourites