Ricky Gervais, creator and star of BBC comedy series The Office, is to be the special guest speaker at the Booksellers Association Conference in April. Gervais, who collected two awards at Hollywood's Golden Globes this weekend, will close the BA Conference with a speech at the gala dinner on 27 April. The appearance was brokered by Faber & Faber, which publishes Gervais' children's book "Flanimals" in October