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book cover of Helldiver


(The fourth book in the Intrepid series)
A novel by

#1 Spy Stories, #1 Suspense Best-Selling Action Author

Has Morgan finally met his match?

Alex Morgan - policeman, soldier and spy for INTREPID - commits to the toughest mission of his career, and his chances of survival are slimmer than ever.

Sent deep into the shadows of Europe's criminal underbelly, Morgan's mission is to overthrow an oligarch and bring a spy in from the cold. But his target is closer than he knows.

As old friends re-emerge, it becomes clear that the very heart of Morgan's black ops division INTREPID faces destruction, and trust, it seems, is little more than a commodity to be bought and sold.

With INTREPID agent Elizabeth Reigns by his side once again, Morgan must stare fear in the face as his loyalty is tested to its limits.

Helldiver sees INTERPOL's ultra secret black ops division INTREPID brought to its knees, and it's up to Morgan and Reigns to wrest their agency back from the brink.

HELLDIVER: Intrepid 4 is the newest in the Alex Morgan Interpol Thriller series taking readers by storm... Pre-order it today.


A military thriller with a cracking pace in the James Phelan or Matthew Reilly vein." The West Australian

"This story was brutal and dark in places. It reveals in this starkly told story that there will always be those men who fight for the good and those who care nothing about the rest of humanity but only hunger for power and wealth." Douglas C. Meeks, Amazon Top 500 reviewer

"If you really like escapist novels, this one's for you." ABC Local Radio Sydney

"Alex Morgan is a character that has leading movie man written all over him. He is quite simply put a bada*s. He takes a beating, gets back up, takes some more and somehow never ends up half dead. He is the perfect hero spy. I can't wait to read more." Jay Mittener, Amazon Top 500 reviewer

"He is set to give the likes of Tom Clancy and Robert Ludlum a run for their money." TheAustralian Army Newspaper

"Alex Morgan the Interpol special agent is the most exciting Spy/Thriller Series since Ian Fleming's James Bond." An Cosantoir Magazine (The Defender)

Not yet obsessed with Alex Morgan and Intrepid?
Check out #1 Bestseller DEFENDER: Intrepid 1, HUNTER: Intrepid 2, and AVENGER: Intrepid 3 today.


Used availability for Chris Allen's Helldiver

Paperback Editions

June 2017 : Australia Paperback

Title: Helldiver: The Alex Morgan Interpol Spy Thriller Series (Intrepid 4)
Author(s): Chris Allen
ISBN: 1-925579-16-6 / 978-1-925579-16-1 (Australia edition)
Publisher: Bright Sea Publishing
Availability: Amazon   Amazon UK   Amazon CA   

December 2015 : Australia Paperback

Title: Helldiver: The Alex Morgan Interpol Spy Thriller Series (Intrepid 4)
Author(s): Chris Allen
ISBN: 1-76030-063-2 / 978-1-76030-063-0 (Australia edition)
Publisher: Momentum
Availability: Amazon   Amazon UK   Amazon CA