The books you can receive for free are Amelia Maylock Book 1: The 12th Year Awakening, Amelia Maylock Book 2: Hidden in the Amethyst, and Holly Silverstone Book 1: Shadows & Voices.
I hope you enjoy getting some free books! :)
Here are the links to the books:
Amelia Maylock; http://www.amazon.com/s/
Holly Silverstone; http://www.amazon.com/