Open Water Swimming Manual:

An Expert's Survival Guide for Triathletes and Open Water Swimmers is reviewed by Andrea Kannapell here.

(via My Hero)

Lynne Cox has spent more than four decades swimming past the known limits of human capacity. Driven by an explorer’s voracious desire to do what has never been done, and frankly obsessive about mental and physical preparation, she has completed scores of pioneering swims, most famously the frigid Bering Strait in just a suit, cap and goggles.