I haven't read the book either, but thought this was an excellent drama.
It was beautifully filmed by Wojciech Szepel
Acting was superb, Jim Broadbent is always excellent but I do think Matthew Macfadyen was fantastic, I have only seen him in Perfect Strangers, once again he was brilliant (not plugging Amazon/BBC here, but this is also a good buy if a MacFadyen fan The Stephen Poliakoff BBC Collection: Caught On A Train / Perfect Strangers / Shooting The Past [DVD
I watched on 4HD and it looked great, so can only imagine the Blu ray might be worth the extra few pounds compared to dvd.
Sit back and enjoy!!