watch 01:15 The Loop (TV) Do you like this video? Devious is the ninth book in the The It Girl novels by Cecily von Ziegesar. The series is ghostwritten from the original idea by von Ziegesar. The series, aimed toward young adults, is a spin-off from the bestselling Gossip Girl (books) series. Retrieved from "https://gossipgirl.fandom.com/wiki/Devious?oldid=41093" Categories: Books The It Girl Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.