Extinction
A deadly virus. A society in ruin. Are you ready for the extinction event?
Three months ago, a lethal virus swept across the nation, forcing Noah and his friends on a treacherous journey to survive.
After escaping a sinister research compound, the group have settled in to a new community. Life is quieter. The infected have eased their assault. For the first time in weeks, Noah and his friends have found peace.
But when a devastating new development in the virus transforms the world all over again, Noah is left stranded in a harrowing new landscape.
In a radically transformed world, how far will Noah go to protect the ones he loves?
Extinction is the fourth book in the Surviving the Virus post apocalyptic survival series. If you enjoy stories of ordinary people thrown into harrowing new circumstances, you'll love Extinction.
Ryan Casey
Ryan Casey is the author of over a dozen novels and a highly successful serial. He is best known for his gritty post-apocalyptic fiction, throwing normal people into devastating situations and exploring how they react and adapt. He also writes psychological thrillers and mysteries under his R.A. Casey pen name. Across all genres, Casey's work is renowned for its nail-biting suspense, rapid pacing, unforgettably complex characters, and knockout twists.
Casey lives in the United Kingdom. He has a BA degree in English with Creative Writing from the University of Birmingham, and has been writing stories for as long as he can remember. In his spare time, he can be spotted walking his West Highland White Terrier, has a passion for cinema and television, and probably spends a little bit too much time in the pub.
Surviving the Virus
Surviving the Virus consists of nine books. The current recommended reading order for the series is provided below.

