Robot Adept
by Piers Anthony
Proton and Phaze, parallel worlds of science and magic, are ripe with the seeds of revolution. Mach, a brave and sensitive robot from Proton, and his alternate self, magical Bane from Phaze, hold the power to link the two warring systems – or destroy them entirely. Both are prepared to save their worlds. But neither Mach nor Bane had anticipated the dangers of forbidden love ... with members of the opposite realm!