"First published in Japan in 2008 by Kadokawa Shoten"--Colophon.

CLAMP is a world-reknowned four-woman mangaka collective. Incredibly prolific, they have created many series that have achieved international success, including xxxHolic, Tsubasa Reservoir Chronicles, X, Card Captor Sakura, Magic Knight Rayearth, Chobits, and Tokyo Babylon. 2009 is a milestone for them, marking their 20th year as professional mangaka.