Holy Grail: Rebellious teacher series

If you read the book and saw the movie the Da Vinci code, you realize they found part of the Holy Grail, but what now? were is the rest of the story?I remember as a kid reading about King Arthur and the Knights of the round table, they were all looking for the Holy Grail. I found the keys that opened the other secret doors guarded by Angels and Demons and found the Holy Grail. already set up as a movie script with shape shifting scenes and special effect scenes Author of over 50 books all at Amazon, Barnes and Noble, Books a million and Ebay