This is Book 1 The Chilling Spine Series... In Book 1 - House Of Mazes: Two girls and their college professor get involved with an old ancient pyramid artifact in which their professor hopes will unlock the passageway into Heaven itself, but instead, that takes them on a journey neither is prepared for and an angel holds the key to their survival. NOTE: Those of you who liked this book. Another series called The Excitimg Dragon Saga, has some characters in it that are found in this series as well. This is just Book 1. There are more to follow..