Room is one of those books that has such passionate fans that an adaptation is something that fills us with a heightened level of both excitement and terror. In this instance, the book's author wrote the screenplay which is also a bold move and one that could go dramatically either way.
The film arrived earlier than its January 2016 (earlier in the US you lucky things!) release date, thanks to the London Film Festival and my book vs film review can be found over at Novelicious.
Suffice it to say, I doubt any fans of the book will be disappointed.
Here's the link.