Seafood dining has become a perilous, guilt-ridden experience for anyone who’s aware of the dire straits of many of the world’s tastiest fish species. So it’s encouraging to read about fisherfolk around the globe who have learned to not take too much from the seas, lest their omega-3-laden riches run out. The authors visit Vietnamese clam diggers, a Norwegian family that catches cod and haddock, and many other conscientious anglers–then dish up mouthwatering recipes for this sustainable bounty.