Only one other review for this one! It says the book isn't comprehensive enough. That's fair, but I have not come across another book like this and it has proved invaluable in my language learning. I read two pages a week over the course of this year and I am finding myself understanding Russian so much better, as a result. Highly recommended.
This is an A-Z etymological reference book rather than a continuous piece of prose. It has approximately 200 Russian language stems – my only criticism is it isn't comprehensive enough. It is nonetheless interesting.