Authors and publishing industry professionals will protest against Meta's use of copyrighted books to train AI models.Demonstrators, including novelists Kate Mosse, Tracy Chevalier, and poet Daljit Nagra, will gather outside Meta's London office.A letter from the Society of Authors will be hand-delivered to Meta, condemning their actions.Prominent authors also signed a letter to the UK government, urging accountability and requesting Meta executives to be summoned to parliament.