Gideon Crew--brilliant scientist, master thief, intrepid adventurer--is shocked when his former employer, Eli Glinn, vanishes without a trace, and Glinn's high-tech lab Effective Engineering Solutions shuts down seemingly overnight. Fresh off a diagnosis that gives him only months to live, Crew is contacted by one of his former coworkers at EES, Manuel Garza, who has a lead on one final treasure hinted at in EES's final case, the long-awaited translation...

Set in a darkly glamorous world The Gilded Wolves is full of mystery, decadence and dangerous but thrilling adventure. Paris, 1889: The world is on the cusp of industry and power, and the Exposition Universelle has breathed new life into the streets and dredged up ancient secrets. In this city, no one keeps tabs on secrets better than treasure-hunter and wealthy hotelier, Séverin Montagnet-Alarie. But when the all-powerful society, the Order of Babel,...

When his father is reported murdered in Mexico, supposedly by the husband of his lover, thirteen-year-old Josh refuses to believe it and sets out to get the true story, which he believes involves UFOs and alien abduction.

Thirteen-year-old Tepary discovers an old flute in a cliff dwelling in New Mexico, and through its power he learns about ancient Native American magic.

As the founders of the Chicagoland Detective Agency, a haiku-writing girl and a boy with a talking dog have more than enough cases on their hands (and paws) when a friend vanishes, a mummy's amulet disappears, and an evil scientist stalks human brains and hearts.

Djinn twins John and Philippa, along with their Uncle Nimrod, travel to the Amazon jungle to try to recover a stolen collection of rare Incan artifacts.

From London, through the Austrian Alps, and to central China, Jack, Gwen, and new friend Liu Fai face a clockwork dragon as they try to prevent Gall from finding ancient artifacts said to grant immortality.

"Once a rising star in the field of archaeology, Marah Chase is now a black-market treasure hunter, her services available to the highest bidder. But when she's caught "rescuing" relics in Syria before they're destroyed by war, an MI6 officer named Joanna Mason approaches her with an offer she can't refuse: help save the world or rot in prison. All Chase has to do is find Alexander the Great's lost tomb, recover an ancient weapon of mass destruction...

Nicolas Calva has Caesar's magic bulla, the Malice of Mars, and he has hidden the dangerous Jupiter Stone, but he still has to find a way to defeat The Mistress, a dragon who contains the soul of the vestalis Atroxia, and who hates Rome, and save his mother and friends, and maybe even the Empire itself--and he is troubled by his sneaking sympathy for Atroxia, who was unjustly condemned.

Xena and Xander Holmes, an American brother and sister who are living in England, use clues from their ancestor Sherlock Holmes' casebook when they are asked by a classmate to find an ancient Egyptian artifact that has been missing for many years.