Dan Sherman Space Guardian All Worlds Book Four

Dan Sherman goes from a History Teacher to a Space Guardian in one day. He is transformed into one of the most powerful beings in the Multiverse.Dan Sherman had to take early retirement through bereavement. He started to have lucid dreams about a tall man who was beckoning him go to a certain place. He soon realized that this wasn't an everyday event. It was to be the start of a once in a lifetime chance to be a Space Guardian. How will he cope with powerful entities who will try to destroy him at turn?