Cruising Guide to Trinidad & Tobago Plus Barbados and Guyana - 3rd Edition by Chris Doyle New completely updated edition, expanded to include Guyana. Including 53 sketch charts, aerial photographs, dazzling Scenic photography throughout, unsurpassed onshore information with sections on exploring, provisioning, services and restaurants. The guide is linked to the authorÆs website where you can download town maps, GPS waypoints and much more.