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Publisher's Summary

From the acclaimed author of Infected comes an epic and exhilarating story of humanity's secret battle against a horrific enemy.

Across America, a mysterious pathogen transforms ordinary people into raging killers, psychopaths driven by a terrifying, alien agenda. The human race fights back, yet after every battle the disease responds, adapts, using sophisticated strategies and brilliant ruses to fool its pursuers. The only possible explanation: the epidemic is driven not by evolution but by some malevolent intelligence.

Standing against this unimaginable threat is a small group, assembled under the strictest secrecy. Their best weapon is hulking former football star Perry Dawsey, left psychologically shattered by his own struggles with this terrible enemy, who possesses an unexplainable ability to locate the disease's hosts. Violent and unpredictable, Perry is both the nation's best hope and a terrifying liability.

Hardened CIA veteran Dew Phillips must somehow forge a connection with him if they're going to stand a chance against this maddeningly adaptable opponent. Alongside them is Margaret Montoya, a brilliant epidemiologist who fights for a cure even as she reels under the weight of endless horrors.

These three and their team have kept humanity in the game, but that's not good enough anymore, not when the disease turns contagious, triggering a fast countdown to Armageddon. Meanwhile, other enemies join the battle, and a new threat - one that comes from a most unexpected source - may ultimately prove the most dangerous of all.

Catapulting the reader into a world where humanity's life span is measured in hours and the president's finger hovers over the nuclear button, rising star Scott Sigler takes us on a breathtaking, hyper-adrenalized ride filled with terror and jaw-dropping action. Contagious is a truly grand work of suspense, science, and horror from a new master.

©2008 Random House Audio

Critic Reviews

"An inventive, amped-up yarn . . . full of pressure-cooker mind games." ( Entertainment Weekly)"Riveting . . . leads the reader from one startling detail to the next . . . a terrifying page-turner." ( Publishers Weekly)

What members say

Average Customer Ratings


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  • Overall

A Great Set of Books

Both Infected and Contagious were great books (make sure you get Infected first.) While many complain about the author reading his own work, one needs to understand Sigler offers all his novels as free podcasts on his website. Sure, at first I wasn't thrilled with his reading style, but it grew on me as the story progressed.

The storyline is solid, and I had a hard time stopping it when my commute ended. If you're concerned about the author's reading technique then get the print edition, but don't miss this pair of books, because they're great!

Sigler has added another fan to his cult-following.

16 of 16 people found this review helpful

  • Overall

Awsome...has made me a fan!

OMG! A GREAT "what if" ride! I don't care how "bad" folks thought the author read this book. (I don't like the way Stephen King reads his books either but it doesn't stop me from listening) I enjoyed this book soooo much! I drive for a living and I listen to LOTS of books and there are some I have by very popular writers that I have had to turn off because they were putting me to sleep...not this one though...I had to force myself to stop. Am posting same review on his other book cuz I feel the same...hope he writes lots more...

11 of 11 people found this review helpful

  • Overall

Edge of your seat thriller

This may just be Scott Sigler's best book yet. As always, Sigler's reading is inspired -- he puts so much energy and effort into the reading that you can't help but get caught up in the story. The characters for this book are engaging, and the plot is tight. While the book preceding this, Infected, wasn't my favorite book ever, Contagious takes the story to a whole new level. If you like sci fi, action, or horror -- this book is for you. I stayed up long past my bedtime listening to the very end of this novel, and it was well worth it.

10 of 10 people found this review helpful

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  • Performance
  • Story


Sigler has a very inventive mind. This whole scenario is detailed, but not complicated. Everything is explained with lots of science, but not in a dry way. The beginning and the ending are exciting.

Through RAH RAH SPEACHES and tough MALE BONDING, Sigler attempts to build character. It added about three hours in the middle of the book, I could have done without. I usually like character driven stories, but some authors we love, not for characters, but imagination, political incorrectness, shock value and appealing to our inner sophomore. Sigler, B.V. Larson and Vaughn Heppner are wasting our time with their attempts to be Literary Geniuses. I JUST GOT MY ASS KICKED BY THE POSTER CHILD FOR AARP. GUNS ARE FOR PUSS EEES. HE DIDN'T HAVE THE GRAPES FOR THAT. I also could have done without the President and his staff. I think we could have been told what they did in short and it would have been less boring. We did not have to get up close and personal.. IT'S ONLY THE TAX PAYERS MONEY.

One of the things that make this story more evil, is the main bad guy, who is a little girl. Little kids can really be scary, such as the kids in Ray Bradbury's Zero Hour. One of my favorite Twilight Zone episodes stars the kid from Lost In Space, when he was younger. Similar to the girl in this book he can do things with his mind and his parents and all adults must be very careful, if they want to live or not be tortured in some weird child imagination way.

Sigler narrates a lot of his work. It takes a few minutes to get used to him, but he does alright. There are professionals who are better, but plenty who are worse. I see in Pandemic, he is using Paul Gigante. Sigler is a lot better known now, than he was in 2008, so he can afford the talent. Perhaps, had he not read his own stuff starting out, we would not know who he was today.

36 of 39 people found this review helpful

  • Overall

It is Contagious

Listened to this book in one shot. As usual Sigler weaves a thick web and keeps you holding on to every word.

Lots of effort made to keep the character voices interesting. His style of narration is a bit different than the typical audio book ... but I like it. We notice Perry has a lighter voice in this one ... hmmm I wonder why? (wink wink).

Seems like there could just be a 3rd part to the story ... I am sooo waiting for it.

7 of 7 people found this review helpful

  • Overall
  • Carolyn
  • Glen Mills, PA, USA
  • 01-28-09

Roller Coaster Ride!

This book is the equivalent of an exciting roller coaster ride. With each chapter, Sigler leaves you at the top of a huge drop, leaving you breathless with the anticipation of what comes next. I thoroughly enjoyed Infected and Contagious does not disappoint. Sigler does a better job of both character development and narration with Contagious than he did with Infected. Make sure you listen to Infected first (another great listen), then hop on this thrill ride!

6 of 6 people found this review helpful

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  • Nathan
  • Wakarusa, KS, United States
  • 05-16-11

Great new story!

I loved this book. I didn't mind the author reading his material. This one takes you on quite a ride. I would recommend this one. On a side note if you like his work Earthcore, Nocturnal (if you can get past some of the character voices), and Ancestor are must listens.

4 of 4 people found this review helpful

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  • Garry
  • Cannington, Australia
  • 09-01-15

Loved it

Very enjoyable, great voice acting. Great descriptive story.

I might add the weapon at the end (no spoiler) and affects of the weapon had me thanking God, we do not use such weapons. A very good description.

Listening to third book now....

3 of 3 people found this review helpful

  • Overall

So much better than the first book "Infected"!

This is truly a book where the sequel is so much better than the original. I liked “Infected” but it didn’t have a true story to me. This book is a great story and I really enjoyed it!

3 of 3 people found this review helpful

  • Overall

Creepy and Crazy

Must read the first book "Infected" before this book. Overall I believe that Sigler did well writing these books. I really loved the research that went into his novels. Wow! I actually enjoyed the scientific and military aspect of the story. I think that the characters were creepy, and loved the way they played off each other. I did not like the "triangles" thought he could of come up with a better and thoughtful representation of these creators. Can't wait to read more from this author.

14 of 17 people found this review helpful

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  • Overall
  • Martin
  • 02-27-09


Can't recommend this enough, I listened to the first book as a Podcast "infected" and I am buying this one. Great listen, every chapter leaves you desperately waiting for the next one!

3 of 3 people found this review helpful

  • Overall
  • Ru
  • 01-18-15

Even better than the first book.

Less "horror" and more "disaster" movie than the first book. Scott has done a fantastic job building the characters and plot twists. His reading of the story is great too. I also loved the obvious amount of scientific research he has done in order to write the book.

1 of 1 people found this review helpful

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  • Brian
  • 02-16-11

An excellent follow-up to infected

I thought that Infected was pretty good and the production very good.

Basically if you liked Infected, you'll love Contagious, it really does take things to a whole new level.

I found that there was a more Micro focus in Infected and then a very nice transition into a more Macro (big-picture) story-line with a healthy performance and development from the main stars of the story.

Very much worth a listen.

1 of 1 people found this review helpful

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  • Alexander Cruisey
  • 02-03-18


brilliant from start to finish. sigler is a master of scifi and military scifi

second listen is still just as good

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  • Suz
  • 12-11-17

read by the author and actually ... quite good!

I was surprised at how well the author read this and how engaged in was by it.

if you like zombie trope books then give it a go.

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  • Steven
  • 11-07-16

Well done Scott

Good to hear an author ready his own work! Really enjoyed it and your female voices!!

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  • Ms S Boothe
  • 02-22-16

Sigler does it again!

Truly chilling. The only thing I didn't like about this book was that it ended.

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  • Craig
  • 09-15-11


A fantastic tale which sweeps along at a rate of knots. An outstanding level of detail lends the whole thing credibiliy, though it might be a little much for some. Interesting little devices help the narration draw the listener in, I'd happily recomment this audiobook to anyone.

  • Overall
  • Heidi
  • 06-16-09

Superb and highly addictive

A work of sheer brilliance. It had me gripped from minute one! Had to come back and get Infected straight away (literally - they are both infectious!!!)
Genius!!! When's the next offering due and why has no one made this into a film????

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  • Katie
  • 01-30-17

Good Story

What did you like most about Contagious?

Knowing Scott Sigler narrated it was pretty good.

Was there a moment in the book that particularly moved you?


When PERRY killed his best friend.

Any additional comments?

While I am sure this was written with a trilogy in mind, and therefore a bit slow, it was a good storyline, and I will be listening to the second book now

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  • Ian St Leon
  • 08-03-15

Fantastic Book

Pick up after book 1 this book takes you on a roller coaster ride of emotions as you see them change.