One of the best ways to get to know agents, and the nuances of the publshing world, is through their blogs. Here are a few popular ones to get you started.

Miss Snark is perhaps one of the best known agent blogs. She is no longer writing new content, but the archives are full of fantastic (and yes, snarky) information on how to, and how not to, pursue publication.

Rants & Ramblings is the home of agent Rachelle Gardner of WordServe Literary. Her blog is a wealth of advice, humor, and inspiration for working writers.

kt literary, an agency with a focus on YA fiction, has a fun blog featuring "Shoe-obsessed superagent Daphne Unfeasible" It's a lively mix of industry news and Q&A with aspiring authors.

Pub Rants is the blog of agent Kristin Nelson of the Nelson Literary Agency, an agency specializing in Romance, SF, and Children's books. The blog covers everything from queries to author news.

Nephele Tempest of the Knight Agency blogs on livejournal. Her blog is heavy on links to thought-provoking articles about the writing process from idea to publication, and also features frequent book giveaways.

Nathan Bransford of the Curtis Brown Limited agency blogs about life as an agent, and has a great weekly publishing industry round-up.