Publisher's Synopsis
Join Danny and Jack while they're playing on the construction of an underground network of tunnels and a nugget. After witnessing a meeting of the evil owner and a mysterious boy with the superintendent, they meet three other youths whom they befriend. Together they seek to unravel the secret of this tunnel system that ran beneath the city. Who were the mysterious Japanese man and the boy? Why was there gold in the tunnels? What happened to the owners of the Castle? A fascinating story for the young and old! Sylvia (1970) is married and has two children and a dog. She works as a HBO counselor for people with ADHD, in a private practice in Lelystad. She enjoys reading, hiking, photography, music and singing in a musical group. In addition to her practical work, she also works as a writer for the NHA and corrects teaching materials. This is the first children's book that she wrote and the next is already in the pen.
