She is, according Naomi Klein, "one of the world's bravest and most principled politicians".
She is, according Naomi Klein - the Canadian social activist - "one of the world's bravest and most principled politicians". Caroline Lucas, elected in 2010 as the first Green MP, has written a remarkable book, entitled "Honourable Friends?" and published next month by Portobello Books - about her first term in parliament and the fight for political change.
To find out what the book reveals about what it's like to be an outsider who finds herself inside the corridors of power, make sure you pick up next week's Brighton and Hove Independent. In an exclusive interview, Ms Lucas provides a fascinating insight into the challenges she has faced as MP for Brighton Pavilion - and what she has to say about the Green-led city council.
To win one of five free copies, answer this question.