The Power of the Elemental Crystals

Partners-in-crime Ellie and Sally find colorful crystals in their school, which causes mysterious things to happen in their life. They soon find the truth behind the magical crystals, but the truth leaves them with an even bigger challenge to face. Will they be able to defeat the evil force that is quickly taking over the world?

Thank you so much @-SarahCorner- for the amazing cover! :)