RobertJMcEliece,authorThisisarevisededitionofMcEliece'sclassic,publishedwithstudentsinmind.Itisaself-containedintroductiontoallbasicresultsinthetheoryofinformationandcoding.Thistheorywasdevelopedtodealwiththefundamentalproblemofcommunication,thatofreproducingatonepoint,eithere