Handy has_and_belongs_to_many tutorial

Jeff Hicks has put together [a handy has\_and\_belongs\_to\_many tutorial in PDF format](http://jrhicks.net/96).

> This brief tutorial is a start-to-finish example of the Model, View, and Controller required for a many-to-many relationship in rails.

Authored by John Nunemaker (Noo-neh-maker), a programmer who has fallen deeply in love with Ruby. Learn More.

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