With the power of the written word as their weapon, a brother and sister mount a daring campaign against the Nazis.
Nicola Coughlan shines a light on extraordinary young people from across history. Join her for 12 stories of rebellion, risk and the radical power of youth.
A BBC Studios Audio production for BBC Radio 4 and BBC Sounds.
Producer: Suniti Somaiya Edit Producer: Melvin Rickarby Assistant Producer: Lorna Reader Executive Producer: Paul Smith Written by Alex von Tunzelmann Commissioning editor for Radio 4: Rhian Roberts