Michael Knighton is one of the most notable football entrepreneurs of his generation. Thirty years ago he arrived on the scene at Manchester United, bearing the revolutionary gift of ideas for the transformation of the club’s fortunes. Visionary is the story of his time at Old Trafford – a crucial, incendiary period in United’s history.

Click here to listen to Michael Knighton talking about Visionary on TalkSPORT

The Immortals is a passionate love letter to Celtic FC. Its centrepiece is a celebration of the club’s two fabled nine-in-a-row league title sequences and its immortal managers and players. Here are stories of derring-do and delight alongside tales of darkness and despair, told through a provocative and faithful pilgrimage into Celtic’s past.