More Guns, Less Crime

A good study of all the counties in America and how discretionary and non-discretionary gun laws affect crime. His main conclusion is that non-discretionary concealed-carry laws decrease crime by a very significant margin, especially when viewed at the county level. He also goes into how they affect suicide rates, demographics, effects on different cities and population densities, and gun ownership. At the end, he spends quite a few pages iterating all of the criticism (personal and professional) that he has gotten over the study, responding to each point made.