First, choose a topic you are interested in, and would like to know more
about. Choose one that would interest your audience, if you like. Be sure that you can
find information about your choice (ask your librarian about this).
From the Writing Workshop at Jessamine County Public
Schools, we have a General-to-Specific Triangle which helps you narrow your topic. If you
choose something way too big, it will be impossible for you to get finished. Here are a
couple of examples:

Kentucky is just way too big! You could write a very thick book. The triangle shows you how to narrow it down
to something a little easier -- and even Lexington is a very big topic! Here's another
one: