The Lord High Conservator seems to be the top official in charge of The Incorruptible Republic of the Immortal Library of the Grand Architect, usually just referred to as The Incorruptible Library, The Immortal Library, or simply as The Library. This "Library" occupies a large subterranean area off of the Paris Black Market, which has successfully asserted its independence from the Master of Paris. When he is first mentioned in the story, he is off on a raid for reasons connected with the appearance of the new type of miniature Hive Engine in Paris. Apparently, he takes a very active role in managing the Library, since the remaining officials are [ all very busy] [[Chronology - Volume #|✣ ]] when he is away.