If “The Ickabog” — about a land of plenty that due to a monstrous lie becomes a land of fear — sounds familiar, it’s pure coincidence. Really.If “The Ickabog” — about a land of plenty that due to a monstrous lie becomes a land of fear — sounds familiar, it’s pure coincidence. Really.Read MoreBooks and Literature, Children and Childhood, The Ickabog (Book), Rowling, J K