Gotham Event Reading Order: 'Officer Down'

So here is the first Event Storyline that I ought to try to complete before continuing upon my reading order of the world of Batman.

This is the reading order of the 2001 event: 'Officer Down'.

Part 1- Batman #587
Part 2- Robin #86
Part 3- Birds of Prey #27
Part 4- Catwoman #90
Part 5- Nightwing #53
Part 6- Detective Comics #754
Part 7- Gotham Knights #13