Sarah Andrews
EM HANSEN MYSTERY Series:
Main Character: Em Hansen, Geologist, Wyoming

1. Tensleep   '94
2. A Fall in Denver    '95
3. Mother Nature    '97
4. Only Flesh and Bones    '98
5. Bone Hunter    '99
6. An Eye for Gold    '00
7. Fault Line    '02
8. Killer Dust     '03
9. Earth Colors    '04
10. Dead Dry    '05

VALENA WALKER MYSTERY Series:
Main Character: Valena Walker, Geology Student, Antarctica

1. In Cold Pursuit    '07