Janet Evanovich: Manhunt (USA 1989)
From the Publisher:
Then she spotted Michael Casey, a sexy pilot who was undaunted by disaster, had hero written all over him... and was a confirmed bachelor. Michael Casey was the man she had come to Alaska to hunt, and Alexandra Scott had him in her sights.
Janet Evanovich: Manhunt. Bantam Books, ISBN: 0553219588 (January, 1989), Loveswept 303, 182 p., $2.50.