We’ve collected some of the most useful book marketing Tweets from the past week, courtesy of bloggers, marketers, authors and others. The topics include querying an agent, not pitching journalists, blogging mistakes, and much more. Happy marketing!

**************

* 4 Reasons Not to Autopost Your Blog Articles to Social Media

You can personalize your blog posts and network more effectively when you don’t autopost. Here’s more:

http://socialmediatoday.com/tresnicmedia/686396/4-reasons-not-autopost-your-blog-articles-social-media

* The 10 Key Mistakes Many Bloggers and Writers Make

The problem begins if you’re writing without thinking about who you’re writing for. What you should know:

http://www.jeffbullas.com/2011/09/20/the-10-key-mistakes-many-bloggers-and-writers-make/

* Querying an Agent: Key Points for the Covering Letter

Some great advice on writing a cover letter for fiction and nonfiction queries:

http://stevelaube.com/covering-the-cover-letter/

* Writers: You Only Fail if You Quit. Don’t Think About the Odds and Don’t Give Up 

Author Matt Myklusch shares what he’s learned so far as a published author. It’s worth a listen:

http://www.othersideshow.com/episode-5-7-things-ive-learned-so-far/

* 11 Things to Give Journalists Instead of a Pitch 

LinkedIn is a great social media site for networking with journalists. Check out these ideas:

http://publicityhound.net/11-things-to-give-journalists-instead-of-a-pitch/

* 25 Reasons to Self-Publish, Part I

If you haven’t decided if you want to self-publish or not, these 25 reasons will give you something to consider:

http://crimefictioncollective.blogspot.com/2012/09/25-reasons-to-self-publish-part-i.html

* 4 Facebook Plugins to Drive More Traffic to Your Content

These widgets will help you and your followers share more of your Facebook content:

http://www.socialmediaexaminer.com/facebook-plugins/