One of These Nights — Susan Sizemore

A PASSIONATE SPELL

Engineer Maddie McCullogh was a firm believer in science and practical thinking--even when she suddenly found herself transported back to 13th Century Scotland. In exchange for protection until she could find a way back to her time, Maddie agreed to marry the grimly handsome Highland laird Rowan Murray--trying to ignore the fiery hunger he ignited in her.

With his lands under siege, Rowan would do anything to keep his clan safe, even obey a strange prophecy and marry this woman from another time. But he swore there was no force in this world powerful enough to make him shirk his duty...until he fell under the spell of Maddie's spirited ingenuity and his own irresistible passions...