The Mystic Archives of Dantalian (ダンタリアンの書架 Dantalian no Shoka) or Bibliotheca Mystica de Dantalian is a manga written by Gakuto Mikumo and illustrated by Chako Abeno, based on the light novel of the same name. The manga has 5 volumes with 11 story arcs and one epilogue.
It was serialized by Kadokawa Shoten from March 2010 to July 2012 in the Monthly Shōnen Ace, a Japanese manga magazine. Its release was first announced in October 2009 in The Sneaker magazine, where the light novel was published. As tankōbon, it was released by the same company between October 2010 and August 2012. The manga has two spin-offs: Dantalian no Shoka Dalian Days and Dalian-chan no Shoka.
The manga generally follows its original source, occasionally presenting new content or changing plot details. Its stories revolve around the Phantom Books, books containing forbidden knowledge and that should not exist, which can either bless someone or bring tragedy to the world. The plot takes place in England after World War I, influencing panel backgrounds, character designs and references.
From his grandfather Wesley, Hugh Anthony Disward inherited an old mansion and a collection of books. The will Hugh received states that he should watch Dalian and take over The Mystic Archives of Dantalian, house of 900,666 Phantom Books holding the knowledge of demons.