"Signs and symbols around the world" . . . . . . . . . . . "Describes graphic signs and symbols and their importance to communication, from picture writing by cavemen to today's use of numbers, musical notes, religious signs, trademarks, signs in science and industry, trail, markers and traffic signals, and the potentials of international sign writing." . "Describes graphic signs and symbols and their importance to communication, from picture writing by cavemen to today's use of numbers, musical notes, religious signs, trademarks, signs in science and industry, trail markers and traffic signals, and the potentials of international sign writing."@en . . . "Juvenile works" . "Signs and symbols around the world"@en . . .