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.
AA states that its primary purpose is to help alcoholics to stay sober and help other alcoholics achieve sobriety . With other early members Bill Wilson and Bob Smith developed AA's Twelve Step program of spiritual and character development.A's name is derived from its first book, informally called The Big Book, originally titled Alcoholics Anonymous: The Story of How More Than One Hundred Men Have Recovered From Alcoholism.