
It begins in Africa . . .
A United Nations relief team in a small village in the Congo makes an alarming discovery. An unknown force is leveling the evolutionary playing field. Men, women, and children have been reduced to a dull, catatonic state. The environment surrounding them—plants and animals—has grown more cunning and predatory, evolving at an exponential pace. The insidious phenomenon is spreading from a cursed site in the jungle — known to locals as the Kingdom of Bones —and sweeping across Africa, threatening the rest of the world.
What has made the biosphere run amok? Is it a natural event? Or more terrifyingly, did someone engineer it?
Commander Gray Pierce and Sigma Force are prepared for the extraordinary and have kept the world safe, vigilance for which they have paid a tragic personal price. Yet, even these brilliant and seasoned scientific warriors do not understand what is behind this frightening development—or know how to stop it. As they race to find answers, the members of Sigma quickly realize they have become the prey.
To head off global catastrophe, Sigma Force must risk their lives to uncover the shattering secret at the heart of the African continent—a truth that will illuminate who we are as a species and where we may be headed . . . sooner than we know.
Mother Nature—red in tooth and claw—is turning against humankind, propelling the entire world into the Kingdom of Bones.
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Critical Acclaim
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"This one’s fast-moving fun.”
— Kirkus Reviews (Reader Review) -
"Exhilarating...Fans of Clive Cussler and Michael Crichton won’t want to miss this one."
— Publisher’s Weekly *STARRED* review -
"The Sigma Force novels are muscular, dynamic action-adventures. But this doesn’t mean they skimp on character: Rollins knows just when to slow things down and let us get to know the players. He’s very good at this sort of thing, and his fans will surely be lining up for this one."
— Booklist
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FAQ
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Q. What’s Kingdom of Bones about?A. The story starts when out all hell breaks loose at United Nations relief camp in a small village in ... Read MoreA:
The story starts when out all hell breaks loose at United Nations relief camp in a small village in the Congo. Men, women, and children are found in a dull, catatonic state. The environment surrounding them—both plants and animals—has grown more cunning and predatory, evolving at an exponential pace. And it’s not just the one village. The phenomenon is sweeping across Africa, threatening the rest of the world. To head off global catastrophe, Sigma Force must uncover the shattering secret at the heart of the African continent— at cursed place known as the Kingdom of Bones.What they learn will illuminate who we are as a species and where we may be headed next. It’s not for the faint of heart—not the storyline, certainly not the truths to be found within the pages.
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Q. The novel opens in the past, in the colonial Congo, in a chilling scene involving cannibals and a Black Presbyterian reverend, William Henry Sheppard. Is he a real person?A. He was—and someone who deserves great credit for exposing the atrocities committed against the ... Read MoreA:
He was—and someone who deserves great credit for exposing the atrocities committed against the Congolese people throughout the colonial era. King Leopold II of Belgium oversaw a reign of terror in the Congo. Ten million people would be slaughtered in a little over a decade’s time. These atrocities went mostly unreported, until an American missionary, Reverend William Sheppard, a graduate Southern Presbyterian Theological Seminary for Colored Men in Tuscaloosa, arrived in the Congo, armed with a Kodak box camera. He risked his life and the success of his mission in exposing the depths of cruelty and savagery being committed against the people of the Congo. He’s a true hero of that era—and my book. What he does in the past is significant in saving the future.
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Q. Reverend Sheppard isn’t the only figure from the past who plays a major role in the story. There is another figure tied to the legends of Africa: Prester John. Is he real, too?A. That’s certainly a good question. According to stories throughout the Middle Ages, there was a ... Read MoreA:
That’s certainly a good question. According to stories throughout the Middle Ages, there was a Black Christian King—named Prester John—who ruled a vast African empire. According to the legends surrounding him, he was descended from Balthazar, one of the three magi who visited the Christ child in His manger. His kingdom was said to be one of astronomical wealth, with his legend tied to the Fountain of Youth, to the Ark of the Covenant, and to King Solomon’s mine. For centuries, European rulers—even popes—sent forth emissaries to seek him out, many of whom vanished into the jungle and never returned. Even Shakespeare mentions him in Much Ado About Nothing. Today, most historians dismiss this tale of a black Christian king who ruled over a vast swath of Africa as mere myth, but could there be some bias behind this judgement? For such a story to persist for centuries, there surely must be some kernel of truth behind these legends. And in Kingdom of Bones, you’ll learn that sometimes truth is stranger than fiction.
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Q. Regarding those strange truths, Kingdom of Bones also deals with viruses. How much is true there and how did you go about your research during a pandemic?A. First, let me say that Kingdom of Bonesis not a pandemic novel per se, but I believe it is far more ... Read MoreA:
First, let me say that Kingdom of Bonesis not a pandemic novel per se, but I believe it is far more frightening. It delves into the weird biology of viruses. In the pages of the book, you’ll discover many shocking details that are all true, details that will shed new light on this pandemic and offer insight into who we are as a species. To accomplish this, I consulted with a slew of evolutionary biologists, virologists, and medical doctors—and I had to keep tweaking the novel as the pandemic unfolded to make sure it remained as topical as possible. But I actually pitched this story to my publishing house in 2019, well before Covid started. Later, my editor asked, “Did any of the virologists you talked to while researching your book warn you about what was coming?” No, they hadn’t. But what they did tell me was even more terrifying—and you’ll learn what that was in this book.
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Q. Could you share a few of those insights?A. Even after all the research before and during this pandemic, much remains unknown about viruses. Sti ... Read MoreA:
Even after all the research before and during this pandemic, much remains unknown about viruses. Still, what is known is that viruses are deeply entwined into our own evolutionary history. Their genetic code is buried deep in our DNA. Scientists estimate that between 40 to 80 percent of the human genome may have come from ancient viral invasions. And it’s not just us. Recently scientists have discovered how intimately viruses are woven throughout the natural world. They are the tie that binds all life together. In fact, researchers now believe that viruses could offer a clue to the origin of life; they could be the very engines of evolution; perhaps even the source of human consciousness.
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Q. Viruses could be the source of human consciousness?A. According to many virologists, yes. There is a vital gene in our DNA—the Arc gene—that b ... Read MoreA:
According to many virologists, yes. There is a vital gene in our DNA—the Arc gene—that became a part of our genome from the invasion and incorporation of a viral snippet. This gene is essential to the function of our synapses in storing memory, in learning. Abnormalities with this gene tend to show up in people with neurological deficits, even in people with autism. Without the presence of that gene, it’s widely believed among virologists that human consciousness could not have come about. And it’s not just consciousness. Viral genes in our DNA also play a significant role in our embryonic development and in the build of our immune system. Even in our fight against cancer. For example, following a bout of flu, leukemia patients show a dramatic drop in cancer cells. And this all just scrapes the surface of what you’ll find in the pages of this novel.
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Q. Like with bats. We know they were a possible source for Covid and a known vector for rabies and many other viral diseases. What is so unique about bats that makes them such a danger?A. Three reasons mostly. First, they’re the only mammal that flies.To accomplish this miraculous ... Read MoreA:
Three reasons mostly. First, they’re the only mammal that flies.To accomplish this miraculous feat requires a metabolism that’s on hyperdrive. All that metabolic heat ramps up their tiny bodies to a feverish state that helps hold back infections. This allows them to harbor lots of viruses without getting sick. Second, such a hyperdrive of their immune system can be dangerous to them, so bats disabled ten key genes to further protect them from dying if they should get sick from a virus. Third, like us, bats have a lot of viral code incorporated into their DNA. Unlike us, they can split off and manipulate parts of that code to hold viruses in check. So basically, their bodies were evolutionary designed to be perfect hosts for countless viruses. It’s why many virus hunters take samples from bats to judge the varieties of viruses in any given environment. Such hunters are always on the lookout for what terrifies all virologists: Disease X.
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Q. What is Disease X?A. When I was researching this novel at the start of the pandemic in early 2020, virologists were expre ... Read MoreA:
When I was researching this novel at the start of the pandemic in early 2020, virologists were expressing their fear that Covid could be Disease X. It’s what terrified all health experts—and me. Disease X is the name for a disease pathogen that modern science has no preventative or cure against, one capable of spreading rapidly. Covid came frighteningly close to that especially from a genetic standpoint. According to those virologists, we escaped from what could have been far worse. We need to be better prepared next time. And trust me, there willbe a next time.
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Q. In Kingdom of Bones, you feature a pair of veterans who play an important role in the story: Tucker Kane and his military war dog, Kane. You even write scenes from the dog’s point of view. How did this duo come about?A. Tucker and Kane have appeared in past Sigma novels and in solo adventures of their own. I first enco ... Read MoreA:
Tucker and Kane have appeared in past Sigma novels and in solo adventures of their own. I first encountered such a heroic pairing of soldier and war dog while on that USO tour to Iraq and Kuwait. Seeing these pairs’ capabilities and recognizing their unique bonds, I wanted to try to capture and honor those relationships. To accomplish that, I spoke to veterinarians in the U.S. Veterinary Corps, interviewed handlers, met their dogs, and saw how these duos grew together to become a single fighting unit. I also vetted their stories with former and current handlers to be as accurate as possible. I love Tucker and Kane—and it’s certainly not the last you’ll see of that dynamic duo.
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Q. Speaking of future stories, what are you working on now?A. This past winter, I launched The Starless Crown, the first book in a new fantasy series, and I just ... Read MoreA:
This past winter, I launched The Starless Crown, the first book in a new fantasy series, and I just completed the second book in that series, Cradle of Ice. I’m also finishing up the next big, sprawling Sigma adventure which will take place in Australia and the U.K., tying together colonial history, aboriginal mythology, and a modern-day treasure hunt for a mysterious artifact that could prove we’re not alone in the universe.
Media
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Kingdom of Bones Book Trailer

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Amazon
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Kindle
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HarperCollins Publishers is one of the world's leading English-language publishers. Headquartered in New York, the compa...More InfoHarperCollins Publishers is one of the world's leading English-language publishers. Headquartered in New York, the company is a subsidiary of News Corp. The house of Mark Twain, the Brontë sisters, Thackeray, Dickens, John F. Kennedy, Martin Luther King Jr., Maurice Sendak, Shel Silverstein, and Margaret Wise Brown, HarperCollins was founded by brothers James and John Harper in New York City in 1817 as J. and J. Harper, later Harper & Brothers. In 1987, as Harper & Row, it was acquired by News Corporation. The worldwide book group was formed following News Corporation's 1990 acquisition of the British publisher William Collins & Sons. Founded in 1819, William Collins & Sons published a range of Bibles, atlases, dictionaries, and reissued classics, expanding over the years to include legendary authors such as H. G. Wells, Agatha Christie, J. R. R. Tolkien, and C. S. Lewis. Today, HarperCollins is a broad-based publisher with strengths in literary and commercial fiction, business books, children's books, cookbooks, narrative nonfiction, mystery, romance, reference, pop culture, design, health, wellness, and religious and spiritual books. Headquartered in New York, HarperCollins has publishing groups around the world in the US, UK, Canada, Australia, New Zealand, and India. With nearly 200 years of history, HarperCollins has published some of the world's foremost authors, including winners of the Nobel Prize, the Pulitzer Prize, the National Book Award, the Newbery Medal, and the Caldecott Medal. HarperCollins is consistently at the forefront of innovation, using digital technology to create unique reading experiences and expand the reach of its authors. -
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