Anne McCaffrey 
Stitch In Snow 

Dana Jane Lovell wrote books, knitted Arran sweaters, and tried not to worry about her grown-up son.She»d been widowed young and was lonely — though she usually didn»t admit it.
The man at Denver airport was large, distinguished, mysterious about his private life, and said his name was Dan.She thought he»d be a witty and amusing travelling companion.
But they»d both reckoned without the storm — the deluge of snow that cut them off from the world they both knew and hurled them into a breathtaking relationship.
Anne Mc Caffrey, creator of the Dragons of Pern, breaks into the world of adult romantic fiction with her spellbinding Stitch in Snow.