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Books about Kawarajima:
The New Generation of Manga Artists Vol. 1: The Koh Kawarajima Portfolio (v. 1) by Koh Kawarajima (Sep 2, 2003)
La Nueva generacion de artistas mangas numero 01: Koh Kawarajima by Varios (2002)
Kou Kawarajima Illustrations Traumerei Mature Art Book by Kou Kawarazima (1997)