Information about Tiger & Bunny 4-koma Kings anthology was posted at Natalie.mu. The anthology will be published by Ichijin-sha (like the first official comic anthology). Cover art will be by Takayama Shinobu (Amatsuki).

TIGER & BUNNY 4-koma Kings Anthology
Publisher: DNA Comics / Ichijin-sha
ISBN: 9784758006590
Price: 720 JPY
Release date: Oct. 25, 2011
Available at: [CDJapan] [Amazon.jp]

Cover art: Takayama Shinobu
Illustrations: Kyuugou, Kosumi Fujiko,
п-NEKO-R。
Manga: Aiko, Ari, Katou Michiru, Kari Erika, Kirai Yuu, Kuriyama Kiyoshi, Koutake Hiroyoshi, Sakazaki Mei, jam3, Setsurarima, Tokei, Nanten (?), Hazaki Yurika (?), Hama, Magami Kuriko, Kannagi Akira (?), Mikawa Beruno

Note: I did my best with romanizing the names but I am totally not familiar with the artists, so if you know correct romaji for the ones I’ve marked with a (?) please do let me know.

(I like the cover art so much more than for the first comic anthology. Less awkward poses for one thing.)

Tiger & Bunny Roman Album
Publisher: Tokuma Shoten
ISBN: 9784197203390
Size: A4, 144 pages.
Price: 1200 JPY
Available at: [CDJapan] [Hobby Search] [Amazon.jp] [AmiAmi]

Features:

• Kotetsu & Barnaby on the cover in civilian clothes.
• Two posters, one of Kotetsu and one of Barnaby.
• Character introductions.
• Planning notes on Hero suits and more, with original pictures.
• Illustration collection from Animage.
• Story guide with comments from Masafumi Nishida & the other writers.
• Cast interviews: Hiroaki Hirata (Kotetsu) & Masakazu Morita (Barnaby), Minako Kotobuki (Blue Rose), and Go Inoue (Sky High), and answers to questionnaire from the rest of the main cast.
• Staff interviews: Keiichi Satou (director), Kazuhiko Tamura (producer), Chika Matsui (producer).
• And more!

The other book that’s coming out at the same time is Hero Gossips from Kadokawa Shoten, the contents are listed here.