As you can see, you can subscribe to your feeds, and then categorize them into different folders. It's a great way to keep up with your favorite blogs.
The image below shows what the inside of a blog looks like. As you can see, your unread posts show up in bold, and if you click on the blog title, you can see the titles of the unread and read posts in an organized manner, just like email. (Click on image to enlarge.)
Blog here: Stamp With Heather
Depending upon the settings the author of the blog has chosen for his or her feed, you'll see the entire post, including pictures, or just a few lines in your Google Reader. And if you click on the post title, you will go directly to the blog itself. (Click on image to enlarge.)
Blog here: vol. 25
There is even a bookmark you can add to your toolbar or links section, depending on your web browser, and with basically one click, you can add a new blog to your Google Reader. To sign up, you can go here. You'll need to sign up for a free Google account. Have fun!
Images are screengrabs of Google Reader. Blog images belong to their respective owners.