When writer David Wilcox met with Alloy Entertainment execs about adapting the book series “666 Park Avenue” into a primetime series for ABC, he was encouraged to use the tomes as a jumping off point, not a blueprint.

“They were very comfortable in departing from the book. I read the book and there are some interesting ideas in there, but I was encouraged to tell a very different story,” Wilcox says of the series, which landed on ABC’s fall schedule in the 10 p.m. Sunday timeslot.

He retained the title and some character names but not much else.

“The book is about witches on Park Avenue,” Wilcox says. “The TV show takes place on Park Avenue and that’s about it (for similarities).”

For Wilcox, who previously wrote for “Law & Order,” ABC’s “Life on Mars” and Fox’s “Fringe,” this new series blends elements from his past efforts to make a supernatural soap with influences from the horror genre (think “Rosemary’s Baby,” “The Omen,” “The Shining”).

What it won’t have is a mythology as complicated as “Fringe.”

The concept that sold ABC on the “666 Park Avenue” pilot is it’s story of people who make Faustian bargains.

“The idea is that everyone has some sort of innate desire or ambition and when they move into 666 Park Avenue, the answer to their need, desire or ambition will be presented,” Wilcox says. “The show is about seduction and about wish fulfillment, but with the be-careful-what-you-wish-for dark side of that.”

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