Harriett Gilbert talks to polymath Raymond Tallis and political journalist Allegra Stratton about their favourite books.
Giving up the Ghost by Hilary Mantel
Publisher: Fourth Estate
The Walk by Robert Walser
Publisher: Serpent's Tail
What I Loved by Siri Hustvedt
Publisher: Sceptre
Producer Beth O'Dea
First broadcast on BBC Radio 4 in 2011.