The Return of the Nephilim: Multiple Incursions?

The Return of the Nephilim: Multiple Incursions?: "Before we begin to take an in-depth look at the Pre-Flood scenario, allow me to give my reasons for rejecting what some would call the "Multiple Incursions" theory right up front. This should lay a foundation for understanding the rest of this section. After that, we shall look at the ancient texts to see what exactly did happen in the Pre-Flood world concerning the Return of the Nephilim."