Darkside communication group

Darkside Communication Group (暗黒通信団, Ankoku Tsuushin dan) is a publishing group of Japanese Dōjinshi. The group is famous in Japan as scientific activities. It is established in 1990s and its address is in Kashiwa city. Their famous work is Pi one million digits (円周率1000000桁表, Enshuuritu Hyakumanketa Hyou) in 1996. The book is introduced by Japanese TV programs in many times. Monthly Pi (月刊円周率, Gekkan Enshuuritu) which is their monthly magazine, won the prize of "Best titled book in Japan (日本タイトルだけ大賞)" in 2012. Many of members write their books in handle name. Many of their books have ISBN and people can get the items in Amazon.com Japan.

More than 200 titles are published. Their books are able to classify of three types; number lists, avant-garde books and scientific descriptions. Most of books are stored in National Diet Library. A few books are stored in British Library.

Over ten other members write books and sell their books in the Comiket.

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