There are 6 books in the Autumn series series. The newest book is The Human Condition which came out in 2013.

1
Autumn

Book cover of Autumn
In less than twenty-four hours a vicious and virulent viral epidemic destroys virtually all of the population. Billions are killed, within minutes. There are no symptoms and no warnings; within moments of infection each victim suffers a violent and agonising death. At the end of ten minutes, only a handful…
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2
The City

Book cover of The City
A disease of unimaginable ferocity has torn across the face of the planet leaving billions dead. A small group of survivors shelter in the remains of a devastated city, hiding in terror as the full effects of the horrific infection start to become clear. The sudden appearance of a company…

3
Purification

Book cover of Purification

A bastard hybrid of War of the Worlds and Night of the Living Dead, the Autumn series chronicles the struggle survivors are forced to contend with in a world torn apart by a deadly disease. 99% of the population of the planet has been killed in less than 24 hours.…

4
Disintegration

Book cover of Disintegration
Forty days have passed since the end of the world began. Billions of people were killed in less than half a day and now the entire world is rotting. Everything is disintegrating ...Survivors are few and far between in this deadly environment, and those who are still alive are forced…

5
Aftermath

Book cover of Aftermath

It's been almost one hundred days since a killer disease wiped out 99% of the population. Three months since the dead reanimated. Survivors are few and far between now, and those who remain stick together to give themselves the best possible chance of continuing to stay alive. They are the…

6
The Human Condition

Book cover of The Human Condition
David Moody presents the final book in the acclaimed AUTUMN series.

The human race is finished. Mankind is all but dead and only a handful of frightened individuals remain. These people have survived through chance, not skill, and they are a desperate bunch: cheating lovers, workshy civil servants, permanently drunk…