Publication date: August 2012
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Fourteen-year-old Will Burrows lives with his family in London. He has little in common with them except for a passion for digging which he shares with his father.
When his father suddenly disappears down an unknown tunnel, Will decides to investigate with his friend Chester. Soon they find themselves deep underground, where they unearth a dark and terrifying secret – a secret which may cost them their lives.
That was enough for Chester, who immediately moved into the lift. Will slid the gate shut behind him, and, pushing and holding the lever down, the lift once again shuddered into motion and began to descend.
Through the caging, interrupted every so often by the dark mouths of other levels, they