Out of Phaze (sic)

'''Anthony, Piers.. Out of Phaze''' (sic). New York: Ace-Putnam, 1987. Book 4 of the Apprentice Adept Series.

In OP the robot, Mach, "falls in love with the offspring of Neysa the Unicorn"; note also mind slippage that produces (among other things) a "machine-mind" in a human body and a "human-mind" in a robot body. Rev. Michael R. Collings, SF&FBR Annual 1988: 82-83, source for this entry, and quoted (with the omission of several hyphens).