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As Will Burrows continues to search for his lost archaeologist father in the strange underground world he has discovered, he stumbles across a sinister plot with terrible implications for the world

Alex and Stephanie embark on a terrifying journey in a desperate bid to save the future from the sinister Veronica Castlewood.

Max investigates the unsolved murder of a teenaged boy, with the help of the boy’s ghost.

The legendary crystal ceremonial mask of Kulkaan, high priest of Atlantis, was believed to have been endowed with incredible powers, with deadly consequences for all mankind.

Luke's best friend, Patrick, has disappeared on the eve of his birthday. Did he run away? Has he cmmmitted suicide?

Travelling back in time a boy fights for his life in the terrifying London of 1483.

Eric is sent to spend the summer with Septimus Trinket, the father he barely knows, in the remote village of Middle Wogglehole, where strange things happen, and soon he and his friend Jessica must

As fourteen-year-old archaeologist Will and his friends plummet down a subterranean pore, they face deadly creatures and discover a strange fungal shelf, which not only reveals artifacts from ancie

When Will Burrows and his friend Chester embark on a quest to find Will's archaeologist father, who has inexplicably disappeared, they are led to a labyrinthine world underneath London, full of sin

Will Burrows believes he is safe at the very center of the earth, in a world that no one knows exists, but the Styx are close behind and will follow him anywhere, while on the surface, Drake and so

The outer crust is under attack by the subterranean Styx who are turning ordinary humans into walking bombs and incubators for their eggs, and only Will Burrows and his band of retired commandos st