Keeper of the Lost Souls (The Keeper Witches #1) by Kristy Centeno
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This book had a lot of good and a little not so good. There were some issues I ran into with the plot that I just couldn't find a way to explain away when it came to the magic and the Yin and Yang emblem. At times it just didn't quite add up.
I really loved the characters though and the way they interacted with each other. It was refreshing to see a young adult without the faintest hint of a love triangle.