La amenaza tenebrosa
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Overview:
- Title: La amenaza tenebrosa
- Author: J. Negri O'Hara
- Year: 1957
- Publisher: Valenciana
- Pages: 128
- Binding: Paperback
- Type: Chapter Book
- Title Reference: La amenaza tenebrosa
- Notes: Assumed first edition. This entry is for the initial printing. Data from OCLC/WorldCat and La Tercera Fundación. The cover artwork is signed by the artist. There is no entry in Biblioteca Nacional de España.