Freefall by by Roderick Gordon and Brian Williams

Product Description

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.