TUNNELS

CLOSER

Book 4: Sequel to 'Freefall' (616943). 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 and they'll pursue him to the ends of the earth. Meanwhile Drake is preparing to fight the Styx from above. But will his daring plan bring him closer to victory?

DEEPER

Book 2; Sequel to 'Tunnels' (616816). In his quest to find his father, Will is plunged even deeper underground. 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.

FREEFALL

Book 3; Sequel to 'Deeper' (616942). Will Burrows and Chester find themselves in perilous circumstances after a long fall down the subterranean Pore. They land on a giant spongy fungus stuffed with artefacts from a lost golden age, but they are not alone!