14-year-old Will Burrows has little in common with his strange, dysfunctional family. In fact, the only bond he shares with his eccentric father is a passion for archaeological excavation. So when his dad mysteriously vanishes, Will is compelled to dig up the truth behind his disappearance. He unearths the unbelievable: a subterranean society that time forgot. "The Colony" has existed unchanged for a century, but it's no benign time capsule of a bygone era. Because the Colony is ruled by a merciless overclass, the Styx. Will must free his father—is he also about to ignite a revolution?

The Tunnels adventure is far from over for Will Burrows. In his quest to find his father, Will is plunged even deeper underground. And as if things weren't bad enough already in the heat and darkness, he stumbles across a Styx plot with terrible implications for the world above - and a sister who isn’t finished yet …

After Deeper, can the Tunnels adventure be any more dangerous? And where will it end? Will Burrows and his gang are far from finished as they free-fall down a subterranean pore. As they experience reduced gravity, the dark mysteries of the deep unfold and they discover a strange fungal shelf, which not only reveals artifacts from ancient civilisations, but clues to a lost land at the end of the Earth. This title is the third in the thrilling "Tunnels" series - an international publishing sensation.

At the centre of the Earth, in a world that no one knows exists, Will is in trouble. His enemy, the Styx, are close behind. They'll pursue him to the ends of the world - any world. Meanwhile Drake - with help from the unlikeliest of allies is preparing to fight the Styx from above. But will his daring plan bring him closer to victory ...or to certain death?

The 5th book in the Tunnels series. The Styx have surfaced. The only ones to stand in their way is Will and his friends, and a rag-tag team of retired commandos.

The end to end all ends: The epic finale to the NEW YORK TIMES bestselling TUNNELS series! Total Termination of the English: The Styx and their lethal cohorts of Armagi will settle for nothing less. Not even the mighty US military is strong enough to stop the assault! Will and Elliott flee back underground, down to the innards of the Earth first mapped in DEEPER and FREEFALL. With the support of a small team that survived the plague of New Germania, they discover a secret at the site of the three core pyramids. A secret that may explain not only where the Styx came from, but the human race, too. Can Elliott, with her mixed blood, unlock the clues before Earth itself spins out of orbit? All the many threads of the prior TUNNELS books come together in this epic conclusion!