RICK RIORDAN meets DAN BROWN in this epic historical adventure series packed full of puzzles, clues and edge-of-your-seat excitement! Legend has it that Copernicus found twelve powerful relics that could harness the cosmos and transport people through time when assembled in the shape of an astrolabe[...]

From the moment Jessica arrives, life is never quite the same for Tom and his seventh grade classmates. They learn that Jessica has been in a fire and will be attending St. Catherine's while getting medical treatment. Despite her startling appearance and the fear she evokes in him and most of the cl[...]

An action-packed, mythological chapter book series from Tony Abbott
The underworld is in our world now. . . .
Owen, Jon, and Sydney managed to rescue Dana from the underworld. But if they don't fulfill their end of the bargain with Hades, she might be headed back -- forever.
As if that [...]

The epic conclusion to the action-packed arc
It all comes down to this.
Owen, Dana, Jon, and Sydney have to prevent Loki from finding the powerful Crystal Rune. That means they need to find it first, no matter what. But tracking down the rune is only the beginning. . . .
Loki is taking [...]