The Lost Ships of Robert Ballard is a 2005 reprint of the 1997 book Lost Liners by the same authors, but it has another chapter added; which is about the Bismarck and other lost military ships of WWII. Lost Ships is only available in hardcover, but Lost Liners is in paperback and hardcover. I own Lost Ships and I have a friend who has the paperback version of Lost Liners, but which book do you own? And I've love to hear comments of how you got your copy. These are their covers: The Lost Ships of Robert Ballard Lost Liners Both books also feature this map on the first and last pages showing six major shipwrecks around the world. They are the Normandie, Empress of Ireland, Andrea Doria, Titanic, Lusitania, and Britannic. I'm surprised the map wasn't updated in 2005 to show the Bismarck, but the map only shows the Atlantic Ocean, and so the Pacific Ocean military shipwrecks of WWII mentioned in the 2005 book aren't shown either.