The Alchemist of Time — Karen Ripley

Stranded in an alien world with no memory of her past, Cassidy embarks on a quest for the Alchemist of Time, the only man capable of returning her to Earth, the Slow World. But strange creatures are hot on her trail, and Cassidy begins to suspect that the fate of both worlds, the new and the old, are in her hands. Will she save them . . . at the cost of her own life?