Tunnels

((the cover of the book))

Will has a very strange hobby for a 14 year old boy: He spends his time excavating, looking for exchequers lost in the
entrails of the land. Thanks to that he found, under the land of London, there exist tunnels that don't consist in any map and doors forgotten for centuries. But... To where do they lead? When Will's father disappeared mysteriously, the young man with one of his friends called Chester decided to risk in his search, defying the darkness and the fear of the unknown
thing. And there they could They came back home, or not? Will he be able to find his father?