'The binding spell is broken. The Dark Ones, destroyers of the legendary kingdom of Lantia now roam free - determined that this time the world will be theirs.
'In spite of dad's misgivings Niff and her brother Simon are thrilled to spend their term break in the city with Aunt Viv, who drives cabs to make ends meet. Then Niff encounters the Dark and everything changes. Who is the stranger on the ferry?
What terrible secrets lie buried in the abandoned coal mines? And what can Niff, Simon and their new friend Jess hope to do about this?'. Source: author's website.