Oppenheim - Ambrose LavendaleDiplomat - paperback or softback - X555z

Oppenheim - World Invisible - paperback or softback - X555z

Oppenheim - Vanished Messenger - New paperback or softback - 32 - X555z

Oppenheim - Illustrious Prince - New paperback or softback - 30 - X555z

Oppenheim - Yellow Crayon - New paperback or softback - 33 - X555z

Oppenheim - Avenger - New paperback or softback - 17 - X555z

Oppenheim - Zeppelin's Passenger - New paperback or softback - 86 - X555z

Oppenheim - Evil Shepherd - New paperback or softback - 19 - X555z