Amy Jo and Becky discover a hidden door leading to a series of underground tunnels. Before the girls can escape the tunnel to warn the police of a fiendish underground plot, the girls are caught in a trap where there seems no possible way of escape.
ThriftBooks sells millions of used books at the lowest
everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We
deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15.
ThriftBooks.com. Read more. Spend less.