The Rise of the Cryptic Mysteries from the Secret Door !!

The book is about a 13 year-old boy named Brian, who goes to Crewville Middle School. One day, while going on another path to home, he tumbles down a hill, leading him to finding a key nearby a mysterious cave. His friend Noah suggest him to show it to his father who is a scientist and an archeologist. His father gives a hint about how this key is dangerous, and wants Brian to stay away from it. Not listening to the advice, he carries the key with him all the time, and encounters a few incidents. Determined, Brian decides to go find The Secret Door The moment he opens The Secret Door, he gets sucked into a place that changes his life completely. What is this place? Can Brian himself face the thrills and surprises inside The Secret Door? These questions form the rest of this epic fantasy-fiction novel.