Chris Allen Books in Order

If you want the full Alex Morgan arc: Defender → Hunter → Avenger → Helldiver → Ranger
If you want the clearest entry point: Defender → Hunter
If you want the darker criminal underworld thread: Avenger → Helldiver
If you want a more personal, off the books mission: Ranger

Chris Allen was born in Perth, Western Australia, the son of a Welsh father and an Australian mother. He has said he wanted to be a writer from boyhood, and he grew up reading adventure fiction, especially Ian Fleming and Arthur Conan Doyle, in the kind of battered paperbacks that tend to leave a mark on a future thriller novelist.

As a kid, he was drawn to recurring heroes, danger, and the machinery behind big international stories.

He went looking for real experience early. At 18 he joined the Australian Army, later became an officer, qualified as a paratrooper, and served with airborne and intelligence units. His career included attachments to the New Zealand Army and the British Parachute Regiment, along with deployments in South East Asia, Africa, and Central America, before injuries brought that chapter to a close and he retired at the rank of Major.

That would be enough material for most writers, but Allen's working life kept moving. After leaving the Army, he studied business and security at Edith Cowan University and moved into humanitarian aid, security, counter-terrorism, and justice work. He led security and logistics operations in East Timor during the 1999 emergency, worked on counter-terrorism first response measures at Sydney Airport after September 11, took over protection of the Sydney Opera House, and in 2008 was appointed Sheriff of New South Wales.

Those later jobs matter to the books too. Allen was no longer seeing conflict only from a soldier's point of view. He was also dealing with institutions, public safety, crisis response, and the legal edge of force, which helps explain why his thrillers care so much about orders, consequences, and the cost of getting things wrong.

Writing never really left the picture. Allen has spoken about joining the military partly because he thought experience would help him write action fiction honestly, and that idea explains a lot about the novels he eventually produced. He came to fiction with a strong sense that action only works when the reader believes the people, the planning, and the fallout.

He didn't arrive at the page as a tourist.

Allen built his fiction career around Alex Morgan and the Intrepid novels, beginning with Defender. In that book, Morgan's first solo mission for Interpol's secret black ops arm opens into a wider conspiracy. Hunter follows with a kidnapping linked to Serbian war criminals, while Avenger and Helldiver widen the world into human trafficking, organized crime, internal betrayal, and growing pressure on the agency itself. Ranger shifts into a more personal mode, sending Morgan off the grid to help a veteran who once saved his life.

Readers who connect with Allen usually like the same mix: fast movement, clear stakes, operational detail, and action that feels lived in rather than borrowed from movies. His books move across continents, but they stay grounded in chain of command, tradecraft, loyalty, and the ugly cost of violence. He has also said he wanted to create the kind of recurring series readers return to, which helps explain why Alex Morgan is written as a character to follow over time, not just a one-book idea.

Allen has also stayed active in the broader writing community, speaking at bookshops, libraries, schools, and festivals. That public side fits him well. He writes in a genre that invites talk about realism, risk, and how much a thriller depends on getting the details right.

Today Allen lives on the New South Wales south coast with his sons, Morgan and Rhett. He has continued working in senior executive roles as well as writing. Service and storytelling have run side by side through most of his adult life, and his novels sit right where those two tracks meet.