, titled "The Peppered Moth" | Houghton Mifflin, April 1, 2001, cover price $33.00 | also contains The Peppered Moth
| About this edition:
As Faro Gaulden listens to a lecture on genetic inheritance, she wonders why some people live in one place generation after generation whereas others feel the need for continuous movement, exploring the concepts of genetics and individuality.
| Springer Verlag, September 1, 2009, cover price $189.00 | About this edition:
Time-delay occurs in many dynamical systems.