Harriett Gilbert and her guests - former barrister, Constance Briscoe and science journalist, Angela Saini - discuss favourite books by Jill Paton Walsh, Isaac Asimov and Muriel Spark.
Constance's choice: 'Knowledge Of Angels' by Jill Paton Walsh
Publisher: Black Swan
Angela's choice: 'Foundation' by Isaac Asimov
Publisher: Harper Collins
Harriett's choice: 'Curriculum Vitae' by Muriel Spark
Publisher: Carcanet
First broadcast on BBC Radio 4 in June 2012.
