For now, it definitely seems to be helping readers to find books that work for them, and perhaps it can help authors ensure a greater degree of success in book sales. (indiereader.com)
Well, the hard truth is that huge success in the book world doesn't happen overnight. (cooksplusbooks.com)
So the authors have certainly met the first criterion for success in a book of this kind: They have chosen a significant topic. (academic.oup.com)