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Addison Gun

Extinction Biome: Invasion is the creation of jungle warrior, revolutionary, counter-revolutionary and outdoorsperson Addison Gunn. But who is Addison Gunn? Addison’s too damn busy to answer that. Instead Gunn’s wrangled some of the best new talents in the genre to pen this exciting new series...



Released 10 November 2017

By Addison Gun


Alex Miller saved thousands of lives... but he killed thousands to do it. Now stranded on a hostile sea woth countless refugees, he sees the many difficult decisions that need to be made everyday to keep people alive. 

Samantha Hernandez has left humanity, becoming an Archean, the new breed that live and breathe the ancient ecology. Now she's having doubts; are they the future of the human race, or the agents of its destruction?

Archaens and humans alike need a plan, if either is to survive. But how to fight back when the Earth itself has become your enemy?


"Gunn keeps the pressure on and the tempo up."

Carrie Patel, author of The Buried Life

"A planetary gut-punch." 

Weston Ochse, author of The Ombra Trilogy


Extinction Biome: Invasion

Released 9 June 2016

By Addison Gun


Abaddon is going to war in 2016 with a brand new military sci-fi series: Extinction Biome.

The brainchild of elusive (and fictional) military genius Addison Gunn, Extinction Biome is a new shared world in which some of the most talented new authors showcase their finest all-action SF under Gunn’s bullet-proof umbrella.

The first outing for Extinction Biome is Invasion, a pulse pounding and innovative series which will be released in five eBook novellas throughout the first half of 2016, culminating in a collected print edition in the summer.

The novellas, penned by Anne Tibbets and Malcolm Cross under the strict tutelage of the mysterious Gunn, will chart humanity’s efforts to battle an ancient parasite that has awoken to infect and destroy humanity. In the finest Abaddon traditions, expect blood, guts and very little glory...

Abaddon Commissioning Editor David Thomas Moore commented:

“It’s never been a more exciting time for military SF; a richer, more complex tradition, challenging the old gung-ho heroism and asking whether it’s worth saving the human race at the cost of their humanity, is growing out of the conversation. Addison Gunn – and Addison’s able assistants, Anne Tibbets and Malcolm Cross – have thrown themselves into that conversation, with a story of survival, horror and ecocide, in which the infection turns the human race against itself. It’s dark, and strange, and challenging, without compromising the bullet-fuelled, edge-of-the-seat action.”


Extinction Biome: Invasion

Four years in the military, training for a war that never happened, left Alexander Miller disillusioned and apathetic. Now, as second in command of COBALT, a corporate bodyguard unit for the biotech giant Schaeffer-Yeager, he's little more than a glorified chauffeur to the wealthy elite. But times change.

A threat from the ancient past has reawakened, and like a Biblical plague it threatens to consume every ecosystem on Earth. Hordes of parasite-infected humans riot against the increasingly powerless authorities as vast fungal blooms destroy crops and terrifying beasts stalk city streets.

The last time this happened, T-Rex found itself on the menu. But mankind's got more than teeth - it's got guns. Miller and the men and women of COBALT are pressed into service to fight the onslaught, but they have no idea how cut-throat their corporate masters can be...


The series will be published e-first, with a collected edition hitting shelves in June 2016. The novella release schedule is as follows:

  • #1 Operation Honshu Wolf by Malcolm Cross & Anne Tibbets 
    Pre-order: UK|US
  • #2 Operation Wild Tarpan by Anne Tibbets & Malcolm Cross - March 2016
    Pre-order: UK|US
  • #3 Operation Caspian Tiger by Anne Tibbets & Malcolm Cross - April 2016
  • #4 Operation Sea Mink by Anne Tibbets - May 2016
  • #5 Operation Atlas Lion by Anne Tibbets - June 2016
  • Extinction Biome: Invasion by Addison Gunn, with Malcolm Cross and Anne Tibbets – June 2016

Exciting, right? Strap your helmets on, lock and load and prepare for an all-action 2016...