Harriet Gilbert and her guests - historian, Helen Castor and sustainability activist, Rob Hopkins, - discuss their favourite books by John Stewart Collis, William Golding and Marcelo Figeras.
Rob Hopkins' choice: 'The Worm Forgives the Plough' by John Stewart Collis Publisher: Random House
Helen Castor's choice: 'The Spire' by William Golding Publisher: Faber and Faber
Harriett Gilbert's choice: Kamchatka by Marcelo Figeras Publisher: Atlantic Books
Producer Christine Hall
First broadcast on BBC Radio 4 in July 2012.