3.58 avg rating — 133 ratings

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

3.77 avg rating — 453 ratings

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

3.69 avg rating — 99 ratings

"Geologist!"

3.84 avg rating — 122 ratings

"Geologist!"

4.24 avg rating — 224 ratings

4.27 avg rating — 333 ratings

3.98 avg rating — 463 ratings

3.94 avg rating — 177 ratings