Should book reviews be detailed or concise?

Reading and writing. Photo from CC0

Reading and writing. Photo from CC0

I've recently started to write very short book reviews rather than my standard length (around 500 words) ones.

I think it's a good thing to do, both from a writer's and a reader's point of view but, to coin a phrase, the jury is still out.

I have written an article to explain why I have changed my book review style:

The value of thumbnail book reviews

I hope you will take the time to read it (2 minutes), and that you enjoy it.