This will create a list of all your posts in one specific category. They will be ordered alphabetically by category.
You can put this as a list in your side bar, a page or a post
1) Download, unzip, upload to your plugin directory and active the plugin.
2) Go into your Admin page find Options->Posts by category
3) Put the number of the category you want to list in the box and click ‘Update options’
4) Add the following code to your sidebar:
4) Add the following code to a post or page
If you need more information try here: