| Cassell, August 1, 1999, cover price $29.95 | About this edition:
Almost as soon as airplanes were invented, military strategists realized their potential.
| Harpercollins, September 1, 2005, cover price $17.95 | About this edition:
An in-depth series of military history studies, written by leading authorities in the field, combines important insights into each era; detailed analyses of battlefield campaigns, strategies and tactics, technology, weaponry, leadership, and the implications of the era in terms of global history; and numerous photographs, maps, diagrams, and illustrations.
| Cassell, August 1, 2002, cover price $14.95