| 2 rev exp edition (Chicago Review Pr, March 1, 2013), cover price $16.95 | About this edition:
Explaining how the wind works, what windmills have contributed to the past, and why they offer environmental promise today as a source of clean, renewable energy, this revised and updated edition offers a glimpse into all the current and historical uses for wind power.
| Chicago Review Pr, June 1, 1997, cover price $16.95 | About this edition:
An introduction to windmills and their advantages as renewable energy providers, with activities for understanding some of the principles of wind
| Reprint edition (Paw Prints, April 18, 2008), cover price $23.95