Saturation point

The hydrometric uninhabitable region, or “The Zone,” is a growing strip of rainforest along the equator where the heat and humidity make life impossible for warm-blooded animals. An unprotected human in The Zone will die within minutes.

Twenty years ago, Jasmine Marks came to The Zone with a group of scientists led by Dr Elaine Fell, tasked with studying the extreme climate and assessing whether it could be used for agriculture. The only outcome was the discovery that The Zone is no place for people. Several deaths occurred, and the programme was shut down.

Now, Jasmine Marks is being sent back. A plane crash, a rescue mission, a race against time to save the survivors. But there are things Marks's corporate bosses haven't told her. The Zone and Dr Fell both have their secrets…