Cassie and The Wild Cat are back once again. In their fifth adventure a ghost has entered their den. They are determined to take him down and make that evil ghost frown. But is the ghost named Boo really evil through and through? Or is he lost and in need of help Either way, Cook sure gave a yelp. The bug in the rug was no help at all. But Cassie and The Wild Cat answered the call. Whether that was to stop Boo or send him back to his zoo will...