Before I purchased this book I read some of the reviews here and some of them distressed me a little.
After actually reading the book I am a bit puzzled at some of the charges that Alzheimer's is at the heart of a poor book. WTF? This was one of the more complex Discworld books to date, perhaps not as light and fluffy as some would hope, but very dense and meaningful. Yes, football seems to be what the book is about, but that is, excuse me, a very facile interpretation of the story, which IS about prejudice, finding meaning in life, love, friendship, the interaction of social classes, and so much more, football is merely the foil upon which part of the book plays out against. This is a discworld book that follows several narratives until they reduce down to one. It is one of the more challenging discworld books in it story telling, and rewards faithful reading of the series with all manners of small insights into formerly minor (and major) characters.
Those that blame Alzheimer's for a book they don't like are on the wrong track, it is fine to not like the book, it took me longer to engage with this book than many other discworld books, but the not liking is a personal preference and not the result of the disease.
Once I adjusted to the flow and style of the book I was pulled further and further in and by the end it ranks near the top of discworld books ever for me.
It is good, nay.. it is great.