Harriett Gilbert hears the book choices of a husband-and-wife duo - the writer Bella Mackie and Greg James, host of the Radio 1 Breakfast show and Radio 4's Rewinder. Bella loves Hamnet by Maggie O'Farrell and Harriett chooses The Spy Who Came in from the Cold by John le Carré. Greg picks Right Ho, Jeeves!, which he says is the funniest PG Wodehouse novel
