Smilla's Sense of Snow.(Brief Article)

Peter Hoeg, translated by Tiina Nunnally. Farrar, Straus & Giroux, $22 (456p) ISBN 0-374-26644-1

The title of this quiet, absorbing suspense novel by a Danish author only suggests the intriguing story it tells. After young Isaiah Christiansen falls from a snow-covered roof in present-day Copenhagen, something about his lone rooftop tracks--and the fact that the boy had a fear of heights--obsesses Smilla Qaavigaaq Jaspersen, a woman who had befriended him. Smilla is 37, unmarried, and, like Isaiah, part of Denmark's small Eskimo/Greenlander community. She is also a minor Danish authority on the properties and classification of ice. Her search for what had frightened …