by Laura Ruby

It was only a few weeks ago that the Biedermann twins, Tess and Theo, along with their friend Jaime Cruz, followed the secrets of the Morningstar’s cipher further than anyone had in its century-and-a-half history–and destroyed their beloved home in the process.  But the Old York Cipher still isn’t solved, and if Tess, Theo, and Jaime want to discover what lies at the end of the puzzle, they will need to press on.