Some of the books and magazines that Wataru has appeared in are as follows.

1995.05.10	Animedia June 1995	flamingo club 14, COLOR {2 P}
1999.01.10	Animedia February 1999	Raideen article, COLOR {2 P}
1999.01.25	Seiyuu Grand Prix 21	Conan talk, MONO {6 P}
2000.09.10	AX October 2000	article, MONO {1 P}
2003.12.10	Seiyuu Grand Prix January	Saiyuuki article, COLOR {4 P}
2004.02	HM3 SPECIAL vol 11	article, COLOR {4 P}