Porn – What’s the Harm? (BBC3 at 9pm) is a documentary that finds out if it's true that children are being exposed to more pornography than ever before - and what the effects of that might be.

STRIKER BOY by Jonny Zucker (Frances Lincoln; €8.80). After a seven-year exile, David Cartwright and his son, Nat, return to England to settle in Lowerbury, close to their beloved Premiership club, Hatton Rangers.