The Shards of Magic series

A black cover with a border of vines wound around a golden trellis. In the middle, a brunette woman in a green and red dress is crouched behind a silver dagger. The title is Servant of Earth, by Sarah Hawley
A red cover with an iron border wound with flowers and ropes. In the middle, a brunette woman in a red dress holds a dagger. A silver metal snake coils around her. The title is Princess of Blood, by Sarah Hawley
A yellow gover with a green vine border dotted with magical elements: a snake, a moon, potions, crystals, and a salamander. In the middle, a brunette woman in a purple dress and a man with dark hair and horns wearing black stand back to back.

The Glimmer Falls series

A navy cover with a thread border and illustrated elements: a truck, a tent, a werwolf paw, a dagger, lanterns, and witchy symbols. A blond man with a suit and cane and a blonde woman in Spandex are facing each other below the title.
A lavender cover with a trellis border with plants hanging from it. A man with glasses and a sweater vest carries a plant next to a redheaded woman with knives holstered at her thighs.