TY - BOOK AU - Morris, Ting AU - Nang Chan Yeema TI - Communication SN - 0-531-14385-6 U1 - AN 302.2 MOR PY - 1995/// CY - New York, USA PB - Ting Morris KW - Adult Nonfiction N2 - Describes means of communication from cave paintings to the information superhighway, and includes instructions on making craft projects such as code flags and a telegraph system ER -