Modern Guide to the Harrier on the way?

It was subtle and easy to overlook. Check out this thread on the Aircraft Resource Center forum. Jake Melampy pretty much confirms that one of the four Modern Guides he's working on at the moment is on the Harrier.

But that still leaves us wondering, which non-US aircraft is among the remaining three? Anyone care to speculate?

Check out Jakes entire line of books at Reid Air Publications.