Lobsters are invertebrates, members of the Class Crustacea of the Phylum Arthropoda. This class includes animals without backbones and with hard shells like crab, shrimp, crayfish, water fleas and wood lice. A male lobster is called a cock and a female a hen or chicken (when she weighs about 1 pound).
The Big Book serves as the basis of Alcoholics Anonymous (AA). It contains the 12 steps that are at the core of the Alcoholics Anonymous program, as well as stories about alcoholics who have been through the recovery process.
In 1941 the first prison meeting of Alcoholics Anonymous took place at San Quentin; in commemoration of this, the 25-millionth copy of the AA Big Book was presented to Jill Brown, of San Quentin, at the International Convention of Alcoholics Anonymous in Toronto, Canada.