In a Perfect Ocean: The State Of Fisheries And Ecosystems In The North Atlantic Ocean (The State of the World's Oceans) 1st (first) Edition by Pauly, Daniel, Maclean, Jay [2003]
A great and highly-detailed overview of the many problems facing North Atlantic fisheries in the 21st century with a focus on the dangers of overfishing (as well as shifting baselines and "fishing down the food chain") with suggestions for solutions to these issues.