9780753457696 | Kingfisher Books, June 10, 2004, cover price $12.95 | About this edition: Explores the variety of ways in which humans communicate, including flags and fires, speech and writing, and through use of electronic media such as television and the internet.

9780753461594 | Reprint edition (Kingfisher Books, November 15, 2007), cover price $8.95 | About this edition: Through an examination of the diverse ways in which people have communicated throughout history to the present day, readers are introduced to the process in which these developments have been made and the impact they have had on society--and will continue to have in the years to come with future developments in the field.

9781439530368 | Reprint edition (Paw Prints, August 11, 2008), cover price $17.95