Sam Harris Adventure Books in Order
Part ofPJ Skinner Books in OrderFind the Sam Harris Adventure books in order by PJ Skinner, with short summaries, series background, and help choosing the best place to start.
Last updated: July 9, 2026
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Sam Harris Adventure books in publication order
7 books
Fool's Gold
by PJ Skinner
2017
Rookie geologist Sam Harris takes a job in a country she barely understands and is quickly overwhelmed by jungle life, office politics, and corruption. A chance discovery offers a way forward, if she can survive long enough to use it.
Hitler's Finger
by PJ Skinner
2018
Sam returns to South America to help find missing historian Alfredo Vargas, only to uncover a hidden Nazi network in the mountains. The search grows deadlier by the hour as old loyalties and bigger forces close in.
The Pink Elephants
by PJ Skinner
2018
Called to rescue a failing West African project, Sam walks into corruption, sabotage, and a brutal attack on a nearby elephant sanctuary. Saving the mine may mean taking on powerful people who would rather see her fail.
The Star of Simbako
by PJ Skinner
2018
Working the diamond fields of West Africa, Sam is drawn into local rivalries, superstition, and the legend of a huge missing gem. A jealous enemy and a dangerous love triangle make an already volatile place worse.
Digging Deeper
by PJ Skinner
2019
Desperate for money, Sam takes a post at a mine in war-torn Tamazia and finds herself trapped in a camp steeped in misogyny and fraud. Then rebels storm the site, and survival becomes the only plan.
The Bonita Protocol
by PJ Skinner
2019
Back in Sierramar, Sam joins a company whose drill results look too good to be true. The closer she gets to the truth behind the numbers, the more dangerous her job becomes.
Concrete Jungle
by PJ Skinner
2020
Armed with an MBA, Sam trades mine sites for the City and hopes the worst is behind her. Instead she finds the same old corruption in sharper clothes, and exposing it could wreck the future she wants.
Sam Harris Adventure books in chronological order

Fool's Gold
by PJ Skinner
2017Sam Harris Adventure, Book 1
Hitler's Finger
by PJ Skinner
2018Sam Harris Adventure, Book 2
The Star of Simbako
by PJ Skinner
2018Sam Harris Adventure, Book 3
The Pink Elephants
by PJ Skinner
2018Sam Harris Adventure, Book 4
The Bonita Protocol
by PJ Skinner
2019Sam Harris Adventure, Book 5
Digging Deeper
by PJ Skinner
2019Sam Harris Adventure, Book 6
Concrete Jungle
by PJ Skinner
2020Sam Harris Adventure, Book 7
Series background & context
The Sam Harris books follow a female geologist building a career in the late 1980s and 1990s, usually in places where almost nobody expects her to succeed. Sam works on remote mining projects in fictional countries across Africa and South America, and that choice lets the series draw on real political and working conditions without tying every event to a single real map.
The opening novel, Fool's Gold, drops her into jungle work, culture shock, and office politics. From there the series keeps moving. Hitler's Finger turns a search for a missing historian into a dangerous conspiracy, The Star of Simbako heads into the diamond fields, The Pink Elephants brings poaching and project collapse, and later books like Digging Deeper and Concrete Jungle show that danger can exist in a war zone or a boardroom.
These are adventure novels, but they are not cartoon action.
What carries them is atmosphere and pressure. Sam is usually far from home, short on allies, and working inside systems built to doubt her. She has to read people, weigh risks, and decide which compromise she can live with. The threats are often physical, but the books are just as interested in corruption, ego, sexism, and the slow grind of being the only woman in the room who is expected to prove herself twice.
Setting matters a lot here. The camps, jungle roads, mining offices, bars, airstrips, and temporary homes all shape the mood of the series. These books happen before constant phones and instant internet can solve a problem, so isolation feels real. Local politics, customs, and economic pressure are part of the story, not decoration, which gives the novels a more grounded feel than many globe-trotting thrillers.
The real fight is often over who gets believed.
Across the series, Sam is also trying to build an adult life that makes sense. Work, love, money, self-respect, and the simple wish to be taken seriously keep colliding. That personal thread is why the books reward being read in order, especially by the time you reach Concrete Jungle, which pulls together long-running strands from earlier novels. If you want adventure with real work in it, strong settings, and a heroine who survives by judgment as much as nerve, this is the kind of series to pick up.
Edited by
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