You chose the right book, if you're interested in football history mixed with fiction.
"Damned United" is about Brain Clough management in English football leagues accompanied with his friend/assistant Peter Taylor.
it's written from Clough's point of view, started with commence of his career in Leeds United club -which was under management of Clough's biggest rival, Don Revie for 13 years- interspersed with some flashbacks that gives you some hints about his successful days in Derby County and how he became BRIAN CLOUGH.
- The Times as "probably the best novel ever written about sport"