Ryan Kaine's 83 Books in Order
Part ofKerry J Donovan Books in OrderFollow the Ryan Kaine's 83 thrillers by Kerry J Donovan in reading order, with quick book summaries, character and series background, and advice on how to dive into the action.
Last updated: January 12, 2026
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Publication Order
14 books
On the Trail
by Kerry J Donovan
2025
A fatal car crash leaves a woman dead and her husband accused of causing it, prompting a plea for help that reaches Ryan Kaine. Digging into the wreck, he uncovers a violent crime family's intimidation scheme and must protect two frightened children while proving their father's innocence.
On The Charge
by Kerry J Donovan
2024
Ryan Kaine targets Gregory Enderby, a senior counterterrorism official, hoping to expose who really ordered the kill notice on him. The snatch operation spirals into a deadly confrontation with politician Jay Wyndham and his Praetorian Guard, forcing Kaine to weigh justice against the safety of his scattered team.
On the Offensive
by Kerry J Donovan
2023
A wealthy couple turn to The 83 Trust when Molly Williams is snatched and the official investigation stalls. Tracked by multiple police forces, Ryan Kaine and his crew take the fight to a vicious smuggling ring, risking exposure to bring Molly home and dismantle the network behind her abduction.
On The Brink
by Kerry J Donovan
2023
With government agencies determined to see him dead, Ryan Kaine decides running is no longer enough. As pressure on The 83 families mounts, he launches a direct campaign against the people who branded him a mass murderer, starting a private war that could cost his team everything.
On the Lookout
by Kerry J Donovan
2022
Still on the run in an age of facial recognition and constant surveillance, Ryan Kaine is drawn to rural Wales when a child orphaned by flight BE1555 needs help. Protecting the boy and his new family from ruthless thieves, he discovers that watching over others makes him more vulnerable than ever.
On The Outside
by Kerry J Donovan
2021
When extremist group The Doomsday Creed kidnaps tech expert Sabrina Faroukh in the Arizona desert, Ryan Kaine cannot ignore the call for help. Facing fanatics building a dirty bomb and impatient local law enforcement, he must improvise a rescue before the standoff turns catastrophic.
On the Hunt:
by Kerry J Donovan
2021
Danny Pinkerton only means to scare an abusive husband, but his intervention angers a powerful crime family with roots in Hungary. Outgunned, he calls in Ryan Kaine, and together they race across Europe in a desperate, increasingly personal hunt that tests their loyalty and their limits.
On the Wing
by Kerry J Donovan
2020
When imprisoned murder suspect Melanie Archer is viciously attacked behind bars, she appeals to The 83 Trust for help. Ryan Kaine and Lara infiltrate a high-security prison under false identities, walking unarmed into enemy territory to decide if she deserves rescue and to survive the deadly politics inside.
On the Edge
by Kerry J Donovan
2019
In Denmark for an advanced medic course, Ryan Kaine and Lara Orchard find their quiet trip derailed when Lara draws the attention of a vindictive trainee. Back home in Norwich, young ally Danny Pinkerton tangles with a loan shark, pulling the whole team into intersecting battles that follow them home.
On the Money
by Kerry J Donovan
2018
After a member of The 83 dies in a supposed accident, Ryan Kaine and Lara Orchard trace the truth to a brutal drug gang ruling a housing estate. Going undercover to support the dead man's grandson, they spark a turf war that forces them to take the fight directly to the dealers.
On the Attack
by Kerry J Donovan
2018
Angela Shafer turns to The 83 Trust when a sadistic stalker threatens her and her young daughter. Arriving too late to prevent tragedy, Ryan Kaine pulls in Danny Pinkerton and Rollo Rollason for a full-scale assault on a criminal empire that will not give up its secrets quietly.
On the Run
by Kerry J Donovan
2017
A covert mission over the North Sea ends in catastrophe when former Royal Marine Ryan Kaine unknowingly shoots down a passenger jet, killing eighty three people. Branded a terrorist and hunted by both police and a shadowy organisation, he turns to two strangers to survive and uncover the truth.
On the Rocks
by Kerry J Donovan
2017
Tormented by guilt over the eighty three people lost on flight BE1555, fugitive Ryan Kaine vows to protect their families. When schoolboy Martin Princeton goes missing in the Scottish Highlands, Kaine joins a sceptical mountain rescue team on a perilous search while hiding his true identity.
On the Defensive
by Kerry J Donovan
2017
A cryptic text saying only 'Help them' sends Ryan Kaine to a London address where a Greek family is being terrorised by violent criminals. With the police looking away and facial recognition cameras everywhere, he must outsmart both gangsters and surveillance to keep one of The 83 safe.
Series background & context
Ryan Kaine's 83 series opens with a single catastrophic mistake. During what he believes is a covert military operation, former Royal Marine and Special Boat Service operative Ryan Kaine fires on a target over the North Sea. The result is the destruction of passenger flight BE1555 and the deaths of eighty three innocent people.
Framed as the architect of the atrocity, Kaine becomes the subject of a global manhunt. Hunted by police on terrorism charges and by the shadowy figures who set him up, he goes to ground, wounded in both body and conscience. Instead of walking away, he makes a promise that will drive the entire series, to track down and quietly protect the families of everyone who died on that flight, a group he comes to call The 83.
Each main novel drops Kaine into a new mission spun out of that vow. In early books like On the Run, On the Rocks and On the Defensive he races to clear his name, rescue a missing schoolboy in the Scottish Highlands and defend a London family being driven out by violent criminals. Later stories widen the canvas, sending him after traffickers, drug gangs, corrupt officials and extremist groups whose actions threaten people linked to The 83.
Kaine does not work alone for long. Veterinary surgeon Lara Orchard, the country vet who first treats his injuries, becomes one of his closest allies and the moral sounding board he relies on when decisions get ugly. Tech specialist Sabrina Faroukh, former comrades such as William Rollo Rollason and young ex soldier Danny Pinkerton round out a loose, improvised team that behaves more like a family than a unit. Their loyalty is tested repeatedly as governments tighten the net and enemies learn to strike back.
One of the distinct pleasures of the series is its sense of movement. Donovan sends Kaine and his crew everywhere from remote Scottish peaks to London backstreets, quiet French villages, Eastern European cities, the Arizona desert and rural Wales. The landscapes are never just scenery. Weather, terrain and local culture shape the tactics Kaine can use and the risks he is willing to take.
Under the gun battles and car chases, the books keep returning to questions of responsibility and redemption. Kaine is capable, ruthless when he has to be and more than able to operate outside the law, but he measures himself against the promise he made to the dead and to the living left behind. Helping a frightened teenager, an overmatched widower or a terrified grandparent matters just as much to him as unmasking the people who ordered the original attack.
Readers can dip in almost anywhere for a self contained mission, yet the emotional through line, Kaine's attempt to atone, build a new kind of family and finally confront the conspiracy against him, rewards reading the Ryan Kaine's 83 novels in order.
Edited by
Software engineer whose passion for tracking book recommendations from podcasts inspired the creation of MRB.
Lead investor at 3one4 Capital whose startup expertise and love for books helped shaped MRB and its growth.
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