Lily Quench and the Magicians' Pyramid

In a sedgy wilderness far to the north is a gigantic pyramid filled with secrets. It is home to three evil magicians who built the Eye Stones: sinister doorways in time that Lily Quench and Queen Dragon are determined to close off forever. When Queen Dragon vanishes, Lily fights to uncover the pyramid′s mysteries. What is the dreadful truth behind the magicians′ unnaturally long lives? What is their real interest in Queen Dragon? And who is the mysterious dragon imprisoned in the pyramid?