Book excerpt: The Roots of Desire is a witty and entertaining investigation into the power, myth and meaning of red hair. Redheads have been worshiped, idealized, fetishized, feared, and condemned, leaving their mark on us and our culture. Such is the power of what is actually a genetic mutation, and in The Roots of Desire, Marion Roach takes a fascinating look at the science behind hair color and the roles redheads have played over time. A redhead herself, Roach brings candor and brilliant insight to the complicated and revealing history of redheads, making this a stand-out narrative and an essential tool in understanding the mechanics and phenomenon of red hair. A must-have for every redhead.