Oskar Gerrenhausen

Oskar Gerrenhausen (aka the Bookseller) is a member of the Knights of the Teutonic Order in the Copernicus Legacy series. He acts as a thief and assistant to Order leader Galina Krause, helping the Order hunt down documents relating to the 12 relics of the Copernicus time machine.

The Serpent's Curse:
Gerrenhausen makes a brief first appearance when Galina visits his bookstore in the Czech Republic. He gives her a mini Holbein painting, which she ordered from him. Gerrenhausen does not fully trust Galina, but when she threatens to kill his grandson if he doesn't cooperate, he agrees to work for her.

The Golden Vendetta:
Gerrenhausen receives orders from Galina Krause to steal the Voytsdorf Ledger, a document by Copernicus that mentions how to reassemble the time machine. Gerrenhausen sneaks into a bookstore in Paris and takes the document from the sleeping manager. He contemplates killing him, but decides against it.

While he is on a train, Gerrenhausen kills a man in his cabin. The Kaplans (relic Guardian family) are on the same train, and hearing the gunshot, rush into his room. He tells them that the man tried to attack him and he did it in self-defense. He then intoduces himself as a bookseller and claims that he is searching for rare documents. Wade Kaplan is wary of this, and Darrell thinks he might be an Order agent. Police come to handcuff Gerrenhausen and take him to a Paris prison. It is later revealed that the man he killed was working for Ugo Drangheta, a man who wants to take down the Order.

Because Galina Krause has agents in the police, Gerrenhausen is released a few days later. He meets up with Markus Wolff and Bartolo Cassa, and they talk at a cafe. The Kaplans try to eavesdrop on them but cannot hear them.

Physcial Description
Gerrenhausen is a compact man in his 60s-70s. He has white, whispy hair and wears thick glasses. Despite his age and body build he is very adept at sneaking in and out of rooms. He also has an Eastern European accent.