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Describes some of the ways in which humans communicate and presents activities which demonstrate the workings of such mechanisms as a printing press, telegraph, and microphone.
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Book Description Heinemann/Raintree, 1996. Condition: New. Peter Smith; Catherine Ward (illustrator). book. Seller Inventory # M0817239642
Book Description Raintree Steck-Vaughn Publishers, 1996. Library Binding. Condition: New. Seller Inventory # DADAX0817239642