Shaman

An old woman and a humanoid otter from a parallel future guide Ria LaGarde into vivid dreams of realities that never were. Ria's growing shamanistic skills provide temporary refuge from her own bleak timeline, but the same powers threaten her sanity and her life. Unless Ria can master the forces her guides have unlocked, her friends, her world are in grave danger. (adapted from the back cover of the first edition)