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xxxHolic (×××ホリック, Horikku?, in-universe officially typeset xxxHoLic), pronounced "holic", but often pronounced phonetically "ex-ex-ex-holic" or "triple x holic", is a seinen manga series planned and presented by Clamp. The storyline of xxxHolic crosses over with that of a number of other CLAMP series, the most notable of which are Tsubasa: Reservoir Chronicle which was written in tandem with it, and Cardcaptor Sakura, whose history it draws on at several points.
xxxHolic has been serialized in Kodansha's Young Magazine periodically since 2003 and published in volumes under the KC Deluxe label. It is currently published in the United States by Del Rey Manga and in the United Kingdom by Tanoshimi. The art style of the manga draws on the influence of ukiyo-e wood prints.

Air Comic

Air is an ongoing series and G. Willow Wilson explained her plans: "I have a solid detailed topographical map for the first year and a half and a loose hand-written treasure map for another couple of years. If this follows the four year model that has become typical of good Vertigo series lately, I'll be happy, and I've got ideas to fuel the whole run."
Wilson has also discussed the influences on the story, which partly comes from her non-fiction, journalistic work, but may also have been precipitated by one specific incident: "The concept behind Air came from Wilson’s own experiences after being grilled by a flight attendant in Amsterdam for the many visas in her passport."

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