Shadows of the Redwood The Scions of Shadow Trilogy, Book One

This summer, half-elf Keelie Heartwood must find the Redwood Forest’s lost tree shepherd. Her cranky, medieval, elf-lady grandmother, her cat Knot, the handsome Sean, and a mysterious coyote are all helping. Can Keelie discover the deadly secret of the Bloodroot tree in time to vanquish the darkness and save the Redwood Forest?