1306281
9780824826468
This guide to 26 of O'ahu's snorkeling and diving sites includes maps showing where it is safest to enter and exit the water, what to look for (coral, shells, fishes, underwater caverns) and what hazards to avoid. Also, each site is rated according to its degree of difficulty.de Carvalho, Francisco B. is the author of 'O'Ahu Snorkelers and Shore Divers Guide' with ISBN 9780824826468 and ISBN 0824826469.
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