Raven Duet Series by Hilari Bell

In a high-tech, high-security world where bioterrorism threatens to cripple the ecosystem, magic is the last thing on anyone’s mind.Something bad is happening to the world. Trees are dying. Cancer is on the rise and becoming more aggressive. When Kelsa’s father dies of the disease, science offers no answers.Then, fifteen-year-old Kelsa meets the most beautiful boy she’s ever seen. But he’s also very strange... moreIn a high-tech, high-security world where bioterrorism threatens to cripple the ecosystem, magic is the last thing on anyone’s mind.Something bad is happening to the world. Trees are dying. Cancer is on the rise and becoming more aggressive. When Kelsa’s father dies of the disease, science offers no answers.Then, fifteen-year-old Kelsa meets the most beautiful boy she’s ever seen. But he’s also very strange. Claiming to be a mythological Raven, he goes on about magic, impending ecological disaster, and his need for Kelsa’s help to save the world.Maybe he’s crazy. But what if he’s telling the truth? less

In Trickster's Girl, when Kesla's journey comes to an end, she pass the pouch and the quest on to someone else. She picks Jason, a native boy she thinks will be able to finish the job. But in fact, a family feud has cut Jason off from his traditional roots, and he is even more doubtful and resistant than Kesla was... moreIn Trickster's Girl, when Kesla's journey comes to an end, she pass the pouch and the quest on to someone else. She picks Jason, a native boy she thinks will be able to finish the job. But in fact, a family feud has cut Jason off from his traditional roots, and he is even more doubtful and resistant than Kesla was. But Raven, now a beautiful girl, is quite persuasive and manages to convince Jason this is something not only that he can do, but that he must if he wants to heal his family and the earth. less