Book of ~ ~ Oh Fountain of Trivia (11) (2005) ISBN: 4063527336 [Japanese Import]

Fountain

Tankobon Softcover

ISBN: 978-4-06-352733-9

ISBN-10: 4-06-352733-6

Kodansha
See also:
2006単行本（ソフトカバー）トリビアの泉~へぇの本~(18)
2004単行本（ソフトカバー）トリビアの泉~へぇの本~(8)
 Tankobon HardcoverBook of ~ ~ Oh Fountain of Trivia (19) (2007) ISBN: 4063527476 [Japanese Import]