We introduced you to the hilarious star of What’s Your Number?, Anna Faris, back in September; now come meet the creator of it all! Author Karyn Bosnak first published her first novel, 20 Times a Lady, in 2006; five years later, she was watching her story unfold on the big screen under the title What's Your Number? starring Anna and Chris Evans. And guess what? To celebrate the release of the film's DVD, out today, we’re Twitter chatting with her! Be sure to tune in with us on Twitter today from 1 to 2pm PST/ 4 to 5pm EST, where we’ll have questions, answers, and (undoubtedly) a rollicking good time. We know, we know - 1pm/4pm is such a long way away! So in the meantime, tide yourself over by taking lessons from the What's Your Number? Dating Survival Kit and finding out whether the guy you're with is really the nice guy you think he is with this handy Douche-O-Meter. Trust us. You'll thank yourself.

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Follow Karyn Bosnak on Twitter: @KarynBosnak

Bonus: We're also giving away a DVD/Blu-ray of What's Your Number? on Twitter. Fun! To follow the chat, use the hashtag #askally. Tweet you then!

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