In what is being described as an unprecedented partnership, Sony Pictures and book publisher HarperCollins have inked a first-look deal with former Fox 2000 president Elizabeth Gabler and her entire Fox 2000 team, which includes Erin Sinimoff, Marisa Paiva, Nikki Ramey and Molly Saffron. It's unclear what the name of Gabler's new venture will be, but it will be based on the Sony lot, and tasked with pursuing, developing and ultimately producing theatrical films and other content based on HarperCollins' extensive catalog. It is a first-look deal, but if a project isn't a fit for …