Twenty years ago, Dr. Jasmine Marks went into the “Zone,” a growing band of rainforest where the heat and humidity make it impossible for warm-blooded animals to survive. There were deaths, and the programme was cut short. Now, they’re sending her back in – and there are things Marks’s corporate masters aren’t telling her.

* WINNER OF THE BSFA AWARD * * BY THE ARTHUR C. CLARKE AWARD-WINNING AUTHOR OF CHILDREN OF TIME * * A DEEPLY TIMELY CLIMATE CRISIS NOVELLA BY THE SUNDAY TIMES BESTSELLING AUTHOR OF CHILDREN OF STRIFE * 'Tchaikovsky turns his attention to the climate crisis' - GUARDIAN 'We less-superhuman writers shake our heads in awe and envy' - LOCUS 'Tchaikovsky excels in creating an oppressive atmosphere tainted with paranoia' - ANCILLARY REVIEW OF BOOKS 'Clever and intriguing' - WARPCORE SF DOCTOR JASMINE MARKS IS GOING BACK INTO HELL The Hygrometric Dehabitation Region, or the "Zone," is a growing band of rainforest on the equator, where the heat and humidity make it impossible for warm-blooded animals to survive. A human being without protection in the Zone is dead in minutes. Twenty years ago, Marks went into the rainforest with a group of researchers led by Doctor Elaine Fell, to study the extraordinary climate and see if it could be used in agriculture. The only thing she learned was that the Zone was no place for people. There were deaths, and the programme was cut short. Now, they're sending her back in. A plane crash, a rescue mission, a race against time and the environment to bring out the survivors. But there are things Marks's corporate masters aren't telling her. The Zone keeps its secrets, and so does Doctor Fell...