Red on Red: Liverpool, Manchester United and the Fiercest Rilvary In

The untold story of the most contested fixture in world football Liverpool and Manchester. Two gloriously independent-minded, eclectic, culturally vibrant places - two cities, both alike in dignity. Yet the inhabitants dislike each other with a passion that is visceral. It is a divide that spans generations, across class and ethnicity. It is a divide that has grown over the years, largely driven by one thing: football The dark, malignant loathing shared by the followers of Liverpool and Manchester United has seeped into every aspect of life in the two cities. How did it come to this? Why did things turn so nasty? And what does it say about the two cities in which the clubs are based? Written by a Scouser and a Manc in a rare collaboration, it will address the divide by talking to those involved in 10 seminal football matches.

• By Phil McNulty & Jim White