provides a wealth of knowledge for all swimmers, from seasoned triathletes and expert swimmers to beginners exploring open water swimming for the first time. Cox methodically addresses what is needed to succeed at and enjoy open water swimming, including choosing the right bathing suit and sunscreen; surviving in dangerous weather conditions, currents, and waves; confronting various marine organisms; treating ailments, such as being stung or bitten, and much more. Cox calls upon Navy SEAL training materials and instructors’ knowledge of open water swimming and safety procedures to guide her research. In addition, first-hand anecdotes from SEAL specialists and stories of Cox’s own experiences serve as both warnings and proper practices to adopt. is the first manual of its kind to make use of oceanography, marine biology, and to weave in stories about the successes and failures of other athletes, giving us a deeper, broader understanding of this exhilarating and fast growing sport.