AJ Hartley Books in Order

One ordinary school day turns Trina Warren into something very different from the awkward girl she was that morning. Thrown into magic, monsters, and danger, she has to protect her friends before fear and violence swallow everything.

Museum curator Deborah Miller returns to work to find a friend dead and priceless artifacts missing. Her search leads from Atlanta to Greece and Russia, where legend, archaeology, and murder start to look like the same story.

Thomas Knight investigates his priest brother's suspicious death and follows the clues from a tropical island into southern Italy's buried past. The deeper he digs, the more he finds people willing to kill to keep old secrets sealed.

When a murdered woman appears at his window, Thomas Knight is drawn into a case involving a lost Shakespeare play and very real bloodshed. The hunt for Love's Labour's Won becomes a literary mystery with sharp edges.

Eighteen-year-old actor Will Hawthorne goes on the run and falls in with a band of stubbornly noble adventurers. Their mission against mysterious raiders forces this charming coward to test what he actually believes in.

Fleeing the Empire, Will Hawthorne and his friends stumble into a polished, wealthy land locked in war with goblins. The people who seem civilized may be the real danger, and Will has to decide what side he is on.

New to Atlanta and out of place at school, Darwen follows a strange creature into a mirror shop and finds a doorway to Silbrica. Soon school thefts, monster bones, and another world's troubles start colliding.

Hewson and A.J. Hartley recast Shakespeare's play as a dark historical thriller, where war hero Macbeth and his wife Skena are pushed toward a terrible bid for power. Prophecy matters, but so do politics, marriage, and the cost of trying to hold a kingdom together.

A child-stealing creature is breaking through from Silbrica, and Darwen follows the trail into rainforest danger. The adventure expands the series' world while pushing Darwen to decide what home and loyalty really mean.

Museum curator Deborah Miller uncovers a cache of rubies at a Mayan dig in Mexico, only to lose them to theft and murder. Chasing their history pulls her into the Lancashire witch trials, occult obsession, and modern violence.

Mr. Peregrine has been kidnapped, and Darwen, Alexandra, and Rik head deeper into Silbrica than ever before. What they find links the mirror world to Hillside Academy in ways far stranger, and more dangerous, than they guessed.

Will Hawthorne and his friends take a job to recover a family heirloom from an imposing house. Naturally, the job is not as simple as it sounds, and the prize turns out to hide its own trouble.

Short on money and long on nerve, Will and his companions crash a grand wedding to steal a villain's ill-gotten wealth. The plan is clever, fast, and almost guaranteed to go wrong.

This prose retelling opens up Shakespeare's tragedy into a full political thriller, with Hamlet trapped between grief, court intrigue, and looming war with Norway. Ophelia, Young Yorick, and the wider court all get room to breathe as murder closes in.

This conspiracy thriller threads military secrecy, unexplained aerial phenomena, and buried history into one fast-moving plot. As multiple players chase the truth, the closer they get, the more dangerous the cover-up becomes.

When her young apprentice is found dead and Bar-Selehm's great Beacon is stolen, steeplejack Anglet Sutonga starts asking dangerous questions. Her search pulls her from rooftop labor into the city's racial politics, corruption, and hidden power deals.

Ten so-called deviant teenagers are shipped off for reeducation and crash instead on the frozen planet Valkrys. Sola's rule-breaking instincts become the group's best hope when the world proves hostile, secretive, and very much alive.

Now working as an investigator, Anglet Sutonga chases stolen plans, a killing in an elite club, and the disappearance of refugees. The case drags her through Bar-Selehm's class tensions and into a conspiracy big enough to burn the city.

The Sekret Machines conspiracy widens into a deeper hunt through ancient history, hidden technology, and the forces shaping human conflict. Hartley and Tom DeLonge push the series further into global intrigue and cosmic unease.

Preston Oldcorn dies on an ordinary night and wakes in the space between life and death, haunted by old legends and hungering ghosts. With help from a girl who can see him, he has to learn why he died.

With his employer accused of murdering Bar-Selehm's prime minister, Anglet Sutonga has to clear his name while a deadly illness spreads and a hard-line regime seizes power. The trilogy turns from detective work to open resistance.

When a child-snatching creature starts crossing between worlds, Darwen and his friends chase answers from Atlanta to a Costa Rican rainforest. The case deepens the mystery of Silbrica and tests who they can trust.

Forced to leave Lancashire for Atlanta, Darwen finds a mirror that opens into Silbrica, a world of monsters and secret machinery. As strange thefts spread at school, he realizes the danger runs both ways.

When an old stone is moved from its place, murderous spirits spill loose across Preston. Preston Oldcorn and Tracey have to trace the legend back to its source before the dead turn the whole town into a trap.

A bitter college administrator makes a deal to erase Shakespeare from history, and a shabby team of dead would-be heroes is sent back to stop him. Time travel, Hell, and academic satire make the chaos very funny, until it isn't.