First of all, walk out of Mile End tube. You are facing north.
This is what you should see if you look west, to the left.
Cross the street to this building.
Turn to your left, you are facing west.
Get to this corner.
If you look to your right, to the north, you should see this.
Cross this big road towards the west, towards the suspended yellow bridge. It's called the "Green Bridge".
Once you've crossed the road, if you look to your right, to the north, you should see this. There are bus stops in the distance. Don't go towards them. Continue towards the west.
Walk past the "Green Bridge".
Walk past this church.
Walk past this pub, the New Globe.
Walk over the little bridge. This bus stop is on the bridge.
The bridge goes over this canal.
Walk past Queen Mary's east gate.
If you look north, to your right, you should see the student village.
Walk past the Arts building.
Walk past the School of Law.
You should be near the Queen Mary library.
You can see its service entrance if you look to your right, to the north.
Walk past Barclay's bank.
In this direction, straightforward to the West.
Here's the Queen's building.
PSi 12 is inside.