Ocean modeler Carl Drews explains the science behind the biblical narrative with diagrams and easy-to-understand language. When Moses stretched out his hand over the yam suf at God's command, a weather event known as wind setdown parted the waters. The crossing site is located in the eastern Nile delta. You can fly over the same spot with Google Earth. Yes, the Hebrew Exodus from Egypt really did happen.

This journey of scientific discovery is not a smooth one. Along the way Drews makes an embarrassing mistake in graduate school, discovers an important clue in the University of Colorado...