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150 years after 'Alice's Adventures in Wonderland' became a publishing sensation the writer Lynne Truss and children's novelist Philip Ardagh discuss its enduring appeal, with Anne McElvoy.

No ticket required. Entry is on a first-come first-served basis (doors open 30 minutes before the event begins; capacity is limited)

Edited version broadcast on Â鶹ԼÅÄ Radio 3 during tonight's interval