For American authors, here's some advice to authors regarding the dreaded 'tax time'.
For book authors as well as publishers and book reviewers, some thoughts on book reviews. And at the same site, another writer posts When The Classic Passes You By which has some really good thoughts on the feelings of a reviewer, as well as a lesson for writers on grabbing the reader. (FYI, the site offers an "Open Blog Night", which is an invitation to be heard at the site (aka 'promotional' if you have a website!).