Killing Me Softly — Nicci French

Alice Loudon has it all: a devoted boyfriend, a marvelous circle of friends, a challenging job as a research scientist. Then one morning, on her way to work, she exchanges a lingering look with a man so devastatingly attractive he takes her breath away. Adam Tallis is the essence of every female fantasy -- a daring mountain climber who has been hailed as a hero. As a lover, he is more passionate than Alice's wildest imaginings. Soon there isn't anything or anyone she wouldn't give up to stay by his side. Now all she has is Adam, and life with this stranger will take her to new heights of madness...and fear.