Communication. 

 - Chicago :  World Book,  c2009 
 - 47 pages :  color illustrations ;  27 cm. 
<br/><br/> "An exploration of the transformative impact of inventions and discoveries in communication. Features include fact boxes, sidebars, biographies, and a timeline, glossary, list of recommended reading and Web sites, and index"--Provided by publisher. 
<br/><br/><label>ISBN: </label>9780716603825 
<br/><br/><label>LC Class. No.: </label>P 96.T42 .C66 2009