Matthew J Kirby Books in Order

Street musician Giuseppe, clockmaker's apprentice Frederick, and hotel maid Hannah each seek an escape from hardship. An enchanted violin, a mechanical man, and hidden treasure bring their lives together, requiring friendship and trust to confront shared dangers.

Sheltered with her siblings and warriors in a remote fortress, Solveig waits through a worsening winter for her father's return from war. Treachery reveals an enemy among their protectors, forcing her to discover whom they can trust.

Time travelers Dak, Sera, and Riq arrive in medieval Baghdad, where an approaching Mongol army threatens a great library. Saving its knowledge requires navigating a dangerous siege and identifying enemies working to keep history broken.

Billy Bartram joins his father and a secret scientific society on an airship expedition through the American wilderness. Seeking descendants of a legendary Welsh prince, they encounter strange creatures, pursuing French soldiers, and possible spies within their ranks.

As a new ice age grips Earth, Eleanor Perry's climatologist mother disappears while investigating Arctic oil deposits. Cryptic messages send Eleanor searching for her, uncovering clues to the planet's cooling and a threat beyond ordinary climate change.

Disfigured by factory work, Evelyn becomes Joseph Merrick's maid at London Hospital in 1888. Their growing friendship offers refuge until ghosts of Jack the Ripper's victims haunt them, forcing Evelyn to confront the dangers outside.

Eleanor and her friends have disabled an Arctic Concentrator, but Earth continues drifting from its orbit and growing colder. They must locate and deactivate other installations around the world before the worsening conditions make survival impossible.

Hoping to clear his dead father's name, Owen uses an Animus to explore inherited memories. Discovering a powerful relic draws him and other teenagers into Assassin and Templar conflict, beginning with New York's 1863 Draft Riots.

Divided between Assassins and Templars, Owen and the other teenagers race to find another fragment of the Trident of Eden. Ancestral simulations take them into war torn Mongolian China, seeking clues to Genghis Khan's lost tomb.

A rogue Templar nears possession of the complete Trident of Eden, forcing Owen and his companions into an uneasy alliance. Their search for its remaining fragment takes them through ancestral memories of tenth century Viking warfare.

Eleanor and her friends prepare to seek the Master Concentrator in the Himalayas while her mother cooperates with Dr. Watkins. An alien spacecraft's arrival changes their struggle to save Earth and challenges Eleanor's mysterious powers.

At an unusual science camp, Ben Warner discovers he can change reality through quantum Actuation. When Dr. Hughes is kidnapped and her equipment stolen, Ben and his friend Peter become caught between rival groups pursuing her technology.

Norwegian warrior Geirmund Hel-hide sails abroad to prove himself and joins King Guthrum's army in England. A mysterious ring gained during his journey promises power and betrayal, drawing him into conflict amid the Viking invasions.

Seventeen-year-old Jessica Mathers wakes inside a crashed lander on a distant, desolate planet. Bloody handprints, silent machinery, and unfamiliar graves force her to investigate what happened, including the motives of a stranger who seems to know her.

Lorath leads a threatened brotherhood of mages to the Skovos Isles in search of a vanished expedition. With unrest and an undead creature endangering the Amazons, he must ally with Captain Adreona to protect the mortal realm.