Communications
By: Philip Sauvain.
Series: Breakthrough; Breakthrough (Austin, Tex.)
Publisher: Raintree Steck-Vaughan
Published: 1994
Place of publication: Austin, Tex
Language: eng
Number of pages: 48
Subjects: Communication -- Juvenile literature.; Communication.
Description: Brief discussions of communications advancements over the years, from language to printing, to radio and artificial satellites.
Notes: Includes bibliographical references (p. 46) and index.