I am looking for directions for creating a back of book index with indesign
Check page 180 of this Adobe Help and Tutorials: http://help.adobe.com/archive/en/indesign/cs6/indesign_reference.pdf
Indesign can not create an index automatically, so this can be a hard piece of work.
There are official extensions/scripts available on the internet which can do that for you, but they're not free.
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