Books 1 - 5 (the complete series)
Available for Kindle at Amazon.com
William also recommends you read:
A short story about friends, fanboys, and the fate of the world.
Writer + Poet + Dreamer
Honorable mention in Allegoryezine.com
William Rayst
A New Twist on the Zombie Apocalypse
eBook available on Amazon.com
A modern romance Novella