Nalo Hopkinson was born in Jamaica and has lived in Guyana, Trinidad, and Canada. The daughter of a poet/playwright and a library technician, she has won numerous awards including the John W. Campbell Award, the World Fantasy Award, and Canada's Sunburst Award for literature of the fantastic. Her award-winning short fiction collection Skin Folk was selected for the 2002 New York Times Summer Reading List and was one of the New York Times Best Books of the Year. Hopkinson is also the author of The New Moon's Arms, The Salt Roads, Midnight Robber, and Brown Girl in the Ring. She is a professor of creative writing at the University of California, Riverside, and splits her time between California, USA, and Toronto, Canada.

Sheeny lives in a world scoured clean by the glass wind that comes roaring out of the empty space where a mountain used to be. A wind whose gusts can strip flesh from bone and whose breezes leave a dust of glass so fine it accumulates in the lungs with every sip of air.
Delpha lives in an otherwhere, an otherwhen in which no glass wind blows. Her world is poised on the precipice of its reality, needing only the faintest push to fall. And if that should happen, there will be no picking up the pieces.
Two women, two worlds, rush toward a shattering collision. Unless...