Rescue Warriors: The U.S. Coast Guard, America's Forgotten Heroes Autor David Helvarg 30 apr 2010 Paperback Preț: 122.41 lei 3-5 săpt.
Saved by the Sea: Hope, Heartbreak, and Wonder in the Blue World Autor David Helvarg 6 apr 2015 Paperback Preț: 105.72 lei 113.64 lei Indisponibil temporar -7%
50 Ways to Save the Ocean Autor David Helvarg et al. 21 mar 2006 Paperback Preț: 94.31 lei Indisponibil temporar
The Ocean and Coastal Conservation Guide 2005-2006 Editat de David Helvarg 19 iun 2005 Paperback Preț: 200.89 lei Se retipărește
The War Against the Greens: Revised and Updated Autor David Helvarg et al. 30 apr 2004 Paperback Preț: 133.32 lei Se retipărește