This package contains a copy of <i>International Medical Guide for Ships, Third Edition</i> and a copy of the <i>Quantification Addendum</i> which contains recommended quantities, indications and dosing for 55 medicines listed in the <i>International Medical Guide for Ships, Third Edition</i>, as well as a copy of the Third Edition of <i>Guide to Ship Sanitation</i> which provides revised sanitary measures taken in ships, to safeguard the health of travellers and workers and to prevent the spread of infection from one country to another.