Setting Up a New Library with Calibre: Essential Plugins and Getting to Know Metadata

Introduction

I am a huge fan of the free open source software written by Kovid called Calibre.  It is an organization, management, conversion tool for both print and digital books.  I've had several people email me asking what the best set up is for Calibre along with what plugins that they should download.  The following is what I recommend but I am sure that there are other great organizational minds out there.

1.  Plugins

There are three essential plugins for me and they are all metadata...