"Swimming is a long thread that connects the Olympic heroes of today with the real and mythic ones of the past across more than ten millennia--a recorded history that begins in a cave in the Egyptian desert and sweeps across athletes and poets, statesmen and emperors, humans and gods; across the whole human experience, the entire human story. Splash! weaves a 10,000-year-old tale that begins in a bone-dry cave in the remote southwest corner of Egypt,...