There have been date setters (who were wrong to do so obviously), but God's Word DOES tell of the events surrounding the end of this world.
As for Left Behind, it's a load of hooey that's not worth the paper it's printed on. But I will stick with the Bible.
Isn't there an interpretation of Revelation that has much of it fulfilled, if in metaphor, within a couple of hundred of years from the crucifixtion?