Also known as: Janet Jeppson Asimov, Janet O. Jeppson, Janet Asimov, who originally wrote as J.O. Jeppson, is an accomplished novelist and short-story writer who sometimes worked in collaboration with her husband, the late Isaac Asimov. Among the Asimovs' joint ventures as writers is the series of juvenile novels involving an endearing robot, Norby, and his young owner, Jeff Wells.