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The Sudden Impact started it all…

…and soon the skies would fill with ash.

How would they survive the apocalypse?

Cory’s life was hard. A horrific childhood, bad marriage, and a stint in prison set him on the path. His time in organized crime was miserable, but he had no choice. He did pick up a few skills along the way, though, and just in time for the end-of-the-world.

On a yacht off the California coast…

…he crossed the mob. The tsunami saved his life.

Would he survive the hitmen?

As Cory prepared to make his escape, fate put him in her path. Anna seemed helpless. He had to help, even if she slowed him down. Through all the looting, street gangs, and hysteria, he must find a way to get to his family in Indiana. No power, phones, or communication made things worse. Are they okay?

What is the state of the country?

What’s his next move?

You’ll love this brilliant start to the Brink of Extension series, because the stage is set for an epic adventure of survival.

348 pages, Kindle Edition

Published January 28, 2021

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About the author

Derek Shupert

299 books196 followers
Derek Shupert is an avid super hero fan (Marvel over DC Universe) and lover of Science Fiction. Derek likes to spend his free time putting down on paper the stories that he has contained in his imagination. By day, he is an Inventory and Distribution Services Center Manager but by night, he writes. To date, he has published four books; two Sci-Fi, a children’s book and a technology consumer guide. He is currently working on two more books which should be available early 2016.

Derek lives in Sherman, Texas with his wife, children and various pets.

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Community Reviews

5 stars
62 (45%)
4 stars
40 (29%)
3 stars
19 (13%)
2 stars
7 (5%)
1 star
8 (5%)
Displaying 1 - 18 of 18 reviews
Profile Image for Pam Shelton-Anderson.
1,988 reviews66 followers
June 11, 2021
I always need someone to cheer for and a character with whom I can engage. Absolutely no one in this book falls into this category. Everyone is a criminal and brutal killer. Anna had possibility as the sole good person, but shade was thrown on her chance encounter with Cory and made her very sus as well. It is not even clear what caused the tsunami and subsequent earthquake, but it only seems to have been a vehicle for chaos and complete lack of law enforcement. The only Brink of Extinction is at the hands of vicious hitmen and gang members. I did manage to finish this (and the editing was actually decent), but I won't continue since I don't care if any of these characters survive and hope most won't.
Profile Image for Corinne Marshall.
433 reviews10 followers
January 28, 2021
This is an adrenalin heart racing story. Lots of non stop drama from start to finish. A tsunami, earthquake and hitmen adds to the thrills as Cory tries to make it back to his wife and son before tragedy strikes. Great love them and hate them characters. Really recommend this first book of the series.
Profile Image for Sara.
492 reviews
Read
August 5, 2021
Sudden Impact is a well-written, well-plotted, fast-paced, action-packed post-apocalyptic tale. The storyline is definitely different and unique for the genre, which I found refreshing. There are numerous characters, and all are nicely developed and fit well into their roles. Quite a bit happens under seven hours, and Derek Shupert did a fantastic job with the scene transitions and creating drama, a sense of urgency, and excitement. I'm definitely looking forward to the next installment.

S.W. Salzman is an outstanding narrator. He is very versatile and can shift from one character to another smoothly. He did a fantastic job with emulating the intensity and making the story more engaging for us listeners. All in all, Sudden Impact was a unique and thrilling listen, one I'll recommend.
295 reviews1 follower
June 16, 2021
Hit Man

This post apocalyptic book series is totally different than what was expected. However, it is a very well written and enjoyable
book series. There's just so much going on in this book it's a total suspense jammed. Full of characters that in their own little piece of this story of surviving. You will enjoy book one of "Sudden Impact".
Profile Image for Sandy McCulloch.
372 reviews
March 13, 2021
Sudden impact,

Fast reading, tsunami hit L A then an earthquake, meanwhile mob fixer on the run from hospital. Hitmen after him, gangbangers taking over the streets of LA. Mercenaries after him too. Great read.
539 reviews4 followers
May 19, 2021
Another great series!

This book had all the elements that we have come to love from this author. So if you like a fast pace action filled storyline and good characters then you need to get the books and read this author. Don’t forget to leave your reviews!
Profile Image for Rob Bartley.
Author 11 books1 follower
March 2, 2021
Strong pace and shifting events keep this slick action adventure moving. A smooth descriptive style allows the reader an easy immersive entry to this frantic page turner.
7 reviews
April 2, 2021
Good




Not so much apocalypse yet but story so far is action packed gangland wars onto book 2. So far so good. Kept my interest.☺ Book three just released.
Profile Image for Phil Matthews.
511 reviews2 followers
June 12, 2021
Not so good

The title is misleading. The apocalypse is minor background. The story is basically a mob enforcer chased by hit men and gangbangers.
Profile Image for Deedra.
3,933 reviews40 followers
October 29, 2021
audible:This was a good read.I was hoping for great.I found narration by S.W. Salzman to be good. I was given this free review copy audiobook at my request and have voluntarily left this review.' 
678 reviews11 followers
February 1, 2021
A  lot of gangs fighting for whats left of the world.If you like action you will love this one.
Profile Image for RJ.
2,044 reviews13 followers
October 20, 2021
The tale begins on a yacht, with Cory Lawson and Duncan strongarming Anthony Shanks to sign a paper. Cory refused to take fingers off Shanks, and Duncan came at him with a knife. A tsunami, evidently triggered by an earthquake, interrupted the extortion on the yacht. Everything went dark. Cory woke in a hospital, handcuffed to the bed. Ries Coleman, head of the local mafioso, called Cory on the hospital phone, threatening him and his family in exchange for his son’s death; Duncan. Escaping the hospital and one killer, Cory made for his hotel. Two of Ries men, Scarface and his partner Jacko, were on Cory’s trail, following him to the hotel. Three more mercenaries, headed by Brawny, were outside the hotel. The inside of the hotel was a mess, with water everywhere. Scarface and Jacko had Cory cornered by his room but another earthquake allowed Cory to get to the stairwell and down to the lobby. There he ran into Brawny and his men. Out a back window of the hotel he went, running for his life. So much for the setup of the story. Scarface and Jacko were hot on Cory’s trail. Throughout the story I wondered, what is the deal with Anna? I was given this free review copy audiobook at my request and have voluntarily left this review.
549 reviews6 followers
July 25, 2021
This story is very cliche. There's too much of almost everything -- too much violence, too much injury without enough time to heal, too many coincidences, too contrived. It's totally unrealistic. Worst of all, it's unfinished and ends in a cliffhanger.

S. W. Salzman delivers a really fine performance. His accents aren't particularly accurate, but he does make each character sound distinct. Unfortunately, none of the characters are especially likable.

Note: I was given this free review copy audiobook at my request and have voluntarily left this review.
Displaying 1 - 18 of 18 reviews