Daniel Finkelstein and Jill Paton Walsh

Harriett Gilbert and her guests - journalist, Daniel Finkelstein, Baron Finkelstein of Pinner, and writer, Jill Paton Walsh - discuss their favourite books by Robert Cialdini, Michael J Sandel and Roddy Doyle.

Influence: the Psychology of Persuasion by Robert B Cialdini Publisher: Collins Business

What Money Can't Buy: The Moral Limits of Markets by Michael J Sandel Publisher: Penguin

The Van by Roddy Doyle Publisher: Vintage

First broadcast on BBC Radio 4 in February 2014.