What makes the difference between a fair negative review and a personal attack? In my opinion, the non-related material. If I am reading a review about the book X, I do not want to read anything related to the personal background of the author of X, nor about her career, friends, family, etc. This additional information might be interesting, but is not in itself part of the review of X and –if it is added to the review– it makes it into a personal attack. If you have something negative to say about X, just say it. Do not undermine it by making it look like a personal attack against its author.
Other indicators of a personal attack as different from a review?
Addendum: Until now, I never had the pleasure of reading a review of a work of mine on a journal. However, I have read negative and positive peer reviews of my projects and suggested articles. Plus, I wrote several reviews myself. I hope no author thought I was personally attacking her.
I have dedicated some posts to reviews. You can read one (with further links) here.
Other indicators of a personal attack as different from a review?
Addendum: Until now, I never had the pleasure of reading a review of a work of mine on a journal. However, I have read negative and positive peer reviews of my projects and suggested articles. Plus, I wrote several reviews myself. I hope no author thought I was personally attacking her.
I have dedicated some posts to reviews. You can read one (with further links) here.