Is there any way to obtain this on PDF, as an impromptu game is wanted, and nobody seems to have any of the OWOD cores?
Here are the free Quickstart rules (http://rpg.drivethrustuff.com/product_info.php?products_id=55733)
Here's the full game PDF for $15 at DTRPG (http://rpg.drivethrustuff.com/product_info.php?products_id=647&it=1) ("Revised Edition" is actually 3rd ed).