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Are you Robert C. Marley, author of the books below?
Inspector Swanson und der Fluch des Hope-Diamanten by Robert C. Marley Inspector Swanson und der Fall Jack the Ripper by Robert C. Marley Inspector Swanson und der Magische Zirkel by Robert C. Marley Inspector Swanson und die Frau mit dem zweiten Gesicht by Robert C. Marley Inspector Swanson und das Schwarze Museum by Robert C. Marley Inspector Swanson und die Mathematik des Mordens by Robert C. Marley Inspector Swanson und die Bibliothek des Todes by Robert C. Marley Inspector Swanson und das Geheimnis der zwei Gräber by Robert C. Marley Inspector Swanson und die Hexe von Bray by Robert C. Marley Die Marmortreppe by Robert C. Marley


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