Over 100 pages of this 400 - page book focus on the partly - current - assisted Manhattan Island swim .
Over 100 reflect the author 's bias , which further adds to my disappointment in this otherwise well - written history .
Over 100 pages of this 400 - page book focus on the partly - current - assisted Manhattan Island swim , and reflect the author 's bias , which further adds to my disappointment in this otherwise well - written history .