A number of publishing professionals have announced big job changes today.

Sara Nelson (pictured, via) is leaving O, The Oprah Magazine to serve as editorial director at Amazon.com Books. Publishers Weekly had the scoop: “A spokesperson for Amazon said Nelson ‘will be leading our editorial vision for books in the print and Kindle bookstores on Amazon.com.’”

Parul Sehgal will be a new preview editor at The New York Times Book Review.

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