If you are relatively new to the issue of proportional representation and the workings of voting systems, you will want to start your readings here. These articles contain basic information about what voting systems are, what proportional representation is, what the many advantages of proportional representation voting are, and how various proportional representation voting systems work. There is also some useful background material, including a glossary of terms and a survey on the basic kinds of voting systems.
"Should I Be Interested in Proportional Representation?"
A brief survey to see if proportional representation addresses some of your own political concerns about elections in the United States.
"What is Proportional Representation and Why Do We Need this Reform?"
Essential reading explaining how proportional representation would cure some of the serious shortcoming of American elections, and exactly why it is superior to our current voting system.
"How Does Proportional Representation Work?"
A brief explanation of how various forms of proportional representation work, illustrated with ballots.
"How Can I Help Promote Proportional Representation?"
Ideas for how you can get involved in encouraging this political reform.
"Types of Voting Systems"
A brief survey of the full range of available voting systems, including plurality-majority systems, proportional systems, and semi-proportional systems.
Glossary of Terms
Specific terminology is used in the discussion of and analysis of voting systems. If you come across in your readings a term you don't understand, look it up here.