Alexander Freed, who got to write Mon and Perrin in the first 'Reign of the Empire' novel, 'The Mask of Fear,' understands what makes their fractured relationship so fascinating.
"I go and answer the door. This guy's like, 'They just landed in your backyard!!!'" said Hunter Perrin. "And I'm like, 'What!?'" Perrin and his wife, Jenna, who was in…