The Guardians of Earth: Age of the Dragon Lord

Brianna and her friends are well known Knights that are known for solving problems at the places they visit. Though people don't know what they truly do. One day they get a letter from the king himself, inviting them to work at the capital. When they first arrive they see for themselves that the capital isn't as peaceful as it should be and chaos is running rapid. Evil forces are at hand and they must try to get to the bottom of it.

1st book in the series