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Delphi Group #3

The Hades Conspiracy

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The Amazon #1 bestselling Delphi Group series is back in a shocking third installment!

American archaeologist Dr. Richard Pauling disappears in Venice and is presumed dead. The United States government, anxious to learn who killed him and why, calls on the Delphi Group to investigate. Senior operative Zane Watson leads a team to Italy, where they make a startling discovery: Pauling had recently acquired a mysterious map of unknown origin and purpose.

To the south, the underground vault of the Vatican Secret Archives is breached by a covert figure seeking an ancient relic shrouded in mystery. The Delphi team believes the map and the relic are somehow related, and they soon learn an ancient order is behind the intrigue. But where does the map lead? And why does the order want to get there so badly?

As they follow the trail of clues, Zane and the others find themselves moving toward a dark and sinister destination. It’s a place of legend, and for some, a place of unspeakable horror.

Soon, only one question remains: will they make it out alive?

368 pages, Kindle Edition

Published November 1, 2016

277 people are currently reading
99 people want to read

About the author

John Sneeden

17 books37 followers

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5 stars
235 (43%)
4 stars
208 (38%)
3 stars
84 (15%)
2 stars
14 (2%)
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2 (<1%)
Displaying 1 - 24 of 24 reviews
29 reviews
June 5, 2020
No spoilers. But this review encompasses the first 3 novels of the Delphi Group.
Book #1 was poorly edited, but in this book #2 the writing is much more refined and everything is just that much crisper and cleaner....Now, by book #3 Sneeden has truly refined his style, prose, and the editing is as good as the book #2.
They are a nice mix of techno thriller, reality based sci-fi, and a detective story although it is a special operations man/team investigating. Sneeden has done very well to build a world in which the impossible just comes to life and it appears totally acceptable as possible. Solid science mixed with some pure fiction and you have a great thriller.

I read these a while ago, but still the story is fresh in my mind, which shows how much I enjoyed these Delphi Group novels (read the first 3 so far). Book #1 It was obviously a first entry for the author and deserves better editing (might have just been the Kindle version wasn't edited properly). The plot moves along nicely. Characters are deeply described and developed. The world building and scene construction is top notch...I can picture most of the scenes described with very little effort, which is a sign a gifted writer.

The tie-in with Bible verses and history is a nice touch, for those who aren't easily offended by a writer assuming the Word of God is 100% truthful and accurate...yet he never makes any of those claims, he simply uses the Bible as another source for his characters to delve deeper into the mystery that has beset them. Sneeden ties-in everything with science that is rooted in real practical applications and studies going on currently all across the world, so they have a sort of mix between Phillip K. Dick, Michael Crichton, and Clive Cussler - yes, an odd mixture that Sneeden pulls off oh so well.
Profile Image for Dan Barbier.
Author 5 books7 followers
November 18, 2016
John Sneeden delivers again!
Part Spy thriller, part Adventure novel. This story zooms along with lightning speed. Incorporating exciting action set pieces with character development, Hades Conspiracy delivers on all it's premises.
Again, this story fits into something bigger. I can't wait for the other entries in this thrilling series to see where Author Sneeden brings us next.
1 review
June 8, 2017
A view of the past

Storyline moves quickly and engages you. The Nephilim have shown up in other stories and makes​ one wonder if the Bible might not be a better history book than it is given credit for. The characters in the story continue to build and grow from the previous books​. Very enjoyable.
7 reviews
October 11, 2017
Amazing!!!!

I've read all 3 books in this series and loved all 3. The way Mr Sneeden brings in parts of the bible surprised me but I liked that. His writing style, he describe s things to the point that you feel like your there, I've never read a book so descriptive. Great read, hard to put down!!!
Profile Image for Neha.
116 reviews8 followers
January 13, 2018
The second book is by far the best, the plot ran super thin in this one and this was shorter than the other books or certainly felt so. Also very abrupt and also very easy- the adventure wasn't exactly as high as the second book. Can ignore this book to be honest, and it wouldn't make a difference.
35 reviews
March 29, 2022
Very Impressive

I enjoyed reading The Hades Conspiracy, it was very interesting how the author used different factors from the Bible to increase the story, once I started reading couldn't put it down very well written, Ready to start the next adventure with Zane and the of the team.
63 reviews
August 10, 2022
Interesting Story!

Here is an integrity story set to a biblical perspective! Was there the possibility of an actual underworld/hell as the bible characterized it? Well one would have to read this to at least have an understanding of what the author was laying out! I found it insightful and very entertaining to read. Looking forward to the next book!
12 reviews
May 12, 2018
Quite Enjoyable--Very Entertaining!

Sometimes you read for education or stimulation, but I think that most of the time we read for pure entertainment--this was pure entertainment! I will certainly follow this author and the book series. Recommended!!
770 reviews
December 24, 2018
Adventure and mayhem


Loved the characters especially the robot. I almost cried when one of the team doed. I love archeology type books. This one is awesome.

I am looking forward to more adventures


4 reviews
January 10, 2018
A page turner

The characters were enjoyable, the action was well written.
I like a book that I can see in my mind's eye.
19 reviews3 followers
January 14, 2018
Awesome Read

Another great story. From the beginning to the end it keeps you on the edge of your seat. You don't want to miss it.
11 reviews
March 6, 2018
Couldn't put it down.

Once again, John Sneeden write a great thriller. Please hurry with book four in the Delphi Series. I can't wait!
6 reviews
April 29, 2018
Keeps you glued

Interesting story! Keeps you turning the pages. Biblical references keep the story grounded. Well worth the read! Keep them coming.
Profile Image for Anthony Jackson.
Author 3 books3 followers
May 13, 2018
Good, but I need a connection

While a good book, I was really looking forward to a continuation of book 2 and the alien connection. Hopefully book 4 will tie everything together.
2 reviews
June 6, 2018
Good reading

The pace of the book is good. The connection with the Bible makes for an interesting twist in the narrative.
Profile Image for pamela boseman.
221 reviews1 follower
July 16, 2018
The Hades Conspiracy

Wow, this was an exciting book. I could hardly put it down. I can't wait to read more in this series.!
320 reviews2 followers
September 17, 2019
Zane and the team at it again yet this time it felt a little like a fill-the-gap story. Not quite as big as the earlier stories but better then most.
19 reviews
June 16, 2023
Awesome reading!

I have now read several of Hohn’s books and each is unique and wonderful to read and experience! Highly recommend all of his books!
Profile Image for Mary Margaret.
7 reviews3 followers
December 28, 2016
Well done John Sneeden!

Fast paced and believable plot, enjoyable characters, and good wins! Thank you John Sneeden for another hit. Keep them coming!
Profile Image for David.
17 reviews1 follower
February 10, 2017
Great book

Another great book in the Delphi series. Who doesn't love mythology mixed with religion and science fiction. I can't wait for book four.
1 review
December 11, 2016
Interesting Read.

One of the most important aspects of a story is that no uncouth language is used by the characters in the story. The plot moved along quite nicely. The conclusion was exciting!
Profile Image for David Santiago.
11 reviews
November 29, 2016
Worthy Read

I was blessed by yet another great read. The author has a way of drawing you in as if you were in the story. Thank you.
4 reviews
January 27, 2017
Great Read

Kept me on the edge of my seat from start to finish. First of his books I've read but won't be the last.
Displaying 1 - 24 of 24 reviews

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