Book excerpt: First published in 1971, these Guides provide invaluable information of thousands of maritime ports across the globe. They are compiled and published annually by LR One Ocean, whose years of global maritime experience allows them to provide expert and innovative solutions to the sector’s problems. The Guides cover a significant geographical breadth, and the most recent volume includes information on over 12,500 ports, harbours and terminals worldwide. These are fully indexed and contain detailed port plans and mooring diagrams.