'In his new book, Thirteen Lessons That Saved Thirteen Lives, John reveals the nail-biting moments that left him preparing for the worst - from sedating the boys with ketamine to the exhausting swim for survival...He tells of the operation in heart-stopping detail, while also sharing the coping techniques he employed which can be used in everyday life.' - Daily Mirror
A must-read from regular X-Ray Mag contributor Gareth Lock. This book contains more than 30 detailed stories from world-renown divers such as Jill Heinerth, Richard Lundgren, Steve Bogaerts and Roger Williams. The case studies and analysis show how experts can make mistakes and how they survived to tell the tale.