Nicola Barker is a tricky writer. We have followed her through books about the adventures of a Medieval jester in the 15th Century, to the life of an Indian Guru narrated by his unfortunate nephew. Recently there was the prize-winning, H(a)ppy, set in a dystopic future, where her interest in playing with fonts and text colours was given free reign. The last book of hers I read was her 2014 novel, In the Approaches, which was possibly about a tiny young girl who was a saint, who may have performed miracles, or about IRA terrorism, or about reconciliation. I do know it had many pages where a parrot spoke, ‘Oh oh oh oh…’ and lines of other semi articulate sounds. I had, therefore, some sense of what lay in store when I came to her latest book (which she describes as a novella) I am Sovereign.