This is the 29th year that Berlitz has published the guide - the "cruise industry bible" as it's known by travel specialists - and this fully revised 2014 edition details all the latest trends in this ever-expanding travel sector.   If you are thinking about a taking a cruise, this book clearly sets out all the information you need to make the right choice for you.   The book is divided into two main parts: the first helps you define what you are looking for in a cruise vacation and advises you on how to find it. It provides a wealth of information, including a look at life aboard ship and how to get the best from it. Specialist cruises are discussed, too, culminating with that ultimate travel experience: the around-the-world cruise. This unrivaled detail is complemented by a vast number of tables and checklists, color photographs and maps.   The second section profiles almost 300 ocean-going cruise vessels. From large to small, from unabashed luxury and exclusivity to ships for the budget-minded, new and old, they are all here.  The ratings and evaluations - using an internationally recognized ratings system - have been made objectively, with no advertising or sponsorship. In almost all instances, the ships have been visited recently by the author or one of his team in order to assess current status. Douglas Ward receives many letters from cruise passengers every year, and their comments are also taken into account in his final evaluations.