1) Smith, Robin L., 1962-, Lies at the Altar
, psychologist and minister, bio on website
2) Smith, Robin (Robin L.), The Healing Cell
(LC|nb2011022764), VIAF shows this book as connected to RLS (1), but the Amazon description indicates she is an M.D. that graduated from Yale and Wharton.
3) Smith, Robin Leigh, Passage to Glory