Reference Software Carrying reference books onboard can be a drag--they're heavy and  take up too much space!  Many of the more popular volumes in the sailor's library are available on CD-ROM with convenient browser and look-up functions.   Starpath--Bowditch Plus One convenient CD carries a complete navigator's reference library covering all topics in navigation and weather.   Starpath--NavRules for WinHelp Get a complete illustrated copy of the Navigation Rules (International, U. S. Inland, and Canadian) in a convenient Windows® Help file and study the rules with fully-illustrated U. S. Coast Guard exam questions    Starpath--Chart Trainer Chart No. 1 is the official paper booklet that catalogs all nautical chart symbols and abbreviations.  This electronic version also includes an interactive video tutorial on chart plotting. Dashew Offshore Books on CD-ROM Get convenient, browsable CD-ROM versions of Steve and Linda Dashew's Offshore Cruising Encyclopedia, Mariner's Weather Handbook, and Surviving the Storm.