Introduction by Christopher Morley: I have seen the Green Box in use aboard American ships at sea, and I know what it means…to the reader off duty.
p. —besides loaning books to seamen, the AMMLA puts a crew librarian aboard every American flag ship. Each library has forty books, and ships with large crews may have several libraries aboard. Some member of the crew takes care of the books and sees to it that the library is changed every two or three months. The Port Representation of the library brings the books down to the dock in a truck. This pamphlet includes a list of technical books available through the AMMLA library.