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

1996.03.10	Animedia April 1996	radi-media, COLOR {1/2 P}
1996.03.21	Heartful Voice volume 3	Virgo interview, COLOR {6 P}
1996.05.31	Seiyuu CD & LD Tettei Catalog 1996	Virgo article, COLOR {2 P}
1998.02.27	Login April 1998	article, COLOR {2 P}
1998.05.27	Game Voice 2	Ojousama Express article, MONO {1/4 P}
2007.11.30	Dengeki G's Festival Deluxe January 2008	ef interview, COLOR {4 P}