Many think that the “brook of Egypt” in the Old Testament is the Nile, but it’s no brook for sure, the real “brook of Egypt” the ancient boundary between Israel and Egypt, what’s now called the Wadi el Arish, the longest and largest drainage system of the Sinai which since circa 1000 b. c. flows only after heavy rainstorms. Pelusium to the west begun built circa 1300 b. c. and the Palaeste (Philistines) to the north of the same timeframe indicates that Egypt, after Moses had departed, began cooperation with the “Peleset,” a tribe of the “Sea Peoples who came down when the Ice Age had ended.