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

1994.08.26	AnimeV October 1994	tomodachi no wa, MONO {1 P}
1996.02.10	Anime Star Paradise [Animedia March 1996]	Ezaki event report, COLOR {2 P}
1996.04.??	Seiyuu Grand Prix volume 6	talk, MONO {6 P}
1998.10.30	Dengeki G's Magazine December 1998	Yuukyuu ensemble article, COLOR {1/2 P}
2007.01	HM3 SPECIAL vol 42	article, COLOR {2 P}
2007.02	HM3 SPECIAL vol 43	stage play report, COLOR {3 P}
2023.10.04	Shounen Magazine 2023 vol 44	7tsu no Taizai comments, COLOR {1 P}