The Last Days of Tian Di Books in Order

Twelve-year-old Eliza learns she is destined to become a powerful sorceress, despite showing no talent for magic. When the imprisoned Xia Sorceress's servants abduct her father, training gives way to a dangerous journey to rescue him.

Eliza's growing powers are tested when the Xia Sorceress escapes and turns the Mancers to stone. With friends and uneasy allies, she must master the ancient magic of creation and destruction before her enemy inflicts further harm.

Now sixteen, Eliza uses her formidable magic to protect Charlie from an attack, putting loyalty before the worlds' greater good. Their quest to keep him alive demands uneasy alliances, painful discoveries, and powers that challenge her deepest beliefs.