Secrets of the old church

"Somewhere in Saint Erasmus's Catholic Church, there's a parish register containing a firsthand account of the sinking of the San Telmo. To find that ship in honor of their murdered aunt, Chris and Carrie must find the register. It's simple, really. All they have to do is break into the church--while lying to their friend Maddison, daughter of Chris's suspect-number-one, about basically everything. And did we mention that the church is supposed to be very haunted?"--Back cover.