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.
- ISBN10 0817239642
- ISBN13 9780817239640
- Publish Date 1 January 1996
- Publish Status Active
- Publish Country US
- Imprint Steck-Vaughn
- Format Hardcover (Library Binding)
- Pages 32
- Language English