This is a long, poetic and truly heartbreaking book about the Scottish Highland Clearances. There's no doubt about where the author's sympathies lie; the villains are really, really bad, and the good guys are, well, quite human.
I learned a lot by reading this book, both about the Clearances and about how novels have changed since the 1930's, which this was written. It is very long. The descriptive passages are beautiful, but wordy. You feel like you are suffering along with the Scots as things drag on and on, and go from bad to much, much worse. (Given the topic, one wouldn't exactly expect a rosy ending.)
The book provides an easy way to learn history. Although the text is admittedly slanted, you almost enjoy the righteous indignation that inevitably rises up while reading.