This week we’ve got a trio of Costa Prize winners

Costa Book of the Year winner Bart van Es introduces us to his biography of ‘The Cut-out Girl’. (Starts at 2.00)

Hilary McKay reveals which real-life character inspired her children’s book ‘The Skylark’s War’. (Starts at 22.30)

And poet J O Morgan considers the 4-minute warning in his cold-war epic ‘Assurances’. (Starts at 39.00)