Tsubasa RESERVoir CHRoNiCLE Omnibus volume 1 collects volumes 1-3 and features story and art by Clamp.

Childhood friends Princess Sakura and Syaoran, the son of an archaeologist, become entangled in a series of events that forces them to traverse through alternate realities on an action-packed adventure!

In the Kingdom of Clow, an archaeological dig unleashes an incredible power, causing Sakura to lose her memories. To save her, Syaoran must follow the orders of the Dimension Witch and travel alongside Kurogane, an unrivaled warrior, Fai, a powerful magician, and Mokona Modoki, a curiously strange creature, to retrieve Sakura's dispersed memories! But first, there is a price to be paid...