Books in the Terra Chronicles series

Magic and science are normal to Ketayl. She was content in her lab at the Terran Intelligence Organization until the day an explosion in Elven Territory thrust her out of the lab and into the field.There, she finds a kind of twisted, dark magic that she has no idea how to stop. On top of having to hunt down a rogue mage, the exposure to the twisted magical energy is putting herself and those around her in danger.Can Ketayl find the rogue mage and put an end to the twisted magic before she succumbs to its effects?