Must Be Magic — Patricia Rice

She was a creature of nature...

Raven-haired beauty Lady Leila Staines has always felt like an outcast among her magically gifted, fair-haired sisters. Desperate to discover a similar talent of her own, she hatches a plan to seek out Dunstan Ives, a dark and brooding aristocrat with a unique vocation that may help her unlock her potential. Little does she know that this unconventional man will arouse in her an extraordinary kind of magic -- one that is deeper, more dangerous, and more mesmerizing than any she has ever known....

He was a man of science...

Wrongfully accused of killing his wife, Dunstan vowed long ago to shun the decadent society that condemned him -- and never again succumb to the spell of a beautiful woman. But when Lady Leila makes him an offer no man in his position can refuse, turning his back on the bewitching temptress, and the fierce emotion she stirs in him, suddenly becomes impossible....