3.58 avg rating — 133 ratings

"One of the heroines is a botanist; strong botany plot line."

3.77 avg rating — 444 ratings

"Marine biologist, although there is precious little marine biology in this one."

3.67 avg rating — 101 ratings

"Geologist!"

3.84 avg rating — 121 ratings

"Geologist!"

4.25 avg rating — 223 ratings

4.25 avg rating — 304 ratings

3.97 avg rating — 460 ratings

3.92 avg rating — 177 ratings