The book is nothing special. Maybe I shouldn't have seen the film, which I thoroughly enjoyed, as it did dictate the way I viewed the book. But that said, there are several changes between the two (no spoilers here), the film seemingly making the changes for the better. They are both heart-warming stories but the movie has the edge, with a well reworked screenplay and a very accomplished cast.
The humour in both is good - not laugh out loud comedy that found recently in books like Ben Elton's
Popcorn or Tony Royden's wonderful dark comedy
The Dealer, but it's still pretty good.
So a word of advice, if you plan to see the film (or have seen the film), I wouldn't read the book afterwards, as you will probably be as disappointed as I.